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  %SOURCE%	en_US.ISO8859-1/books/handbook/introduction/chapter.xml
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<chapter id="introduction">
  <chapterinfo>
    <authorgroup>
      <author>
	<firstname>Jim</firstname>
	<surname>Mock</surname>
	<contrib>Áíáó÷çìáôéóìÝíï, áíáäéïñãáíùìÝíï, êáé ìåñéêþò îáíáãñáììÝíï
	  áðü ôïí </contrib>
      </author>
    </authorgroup>
  </chapterinfo>

  <title>ÅéóáãùãÞ</title>

  <sect1 id="introduction-synopsis">
    <title>Óýíïøç</title>

    <para>Åõ÷áñéóôïýìå ãéá ôï åíäéáöÝñïí óáò ãéá ôï &os;!  Ôï áêüëïõèï
      êåöÜëáéï êáëýðôåé äéÜöïñåò ðôõ÷Ýò ôïõ &os;&nbsp;Project, üðùò ôçí
      éóôïñßá ôïõ, ôïõò óôü÷ïõò ôïõ, ôï ìïíôÝëï áíÜðôõîçò, ê.ô.ë.</para>

    <para>ÌåôÜ ôçí áíÜãíùóç áõôïý ôïõ êåöáëáßïõ, èá ãíùñßæåôå:</para>

    <itemizedlist>
      <listitem>
	<para>Ðùò ó÷åôßæåôáé ôï &os; ìå Üëëá ëåéôïõñãéêÜ óõóôÞìáôá Ç/Õ.</para>
      </listitem>

      <listitem>
	<para>Ôçí éóôïñßá ôïõ &os;&nbsp;Project.</para>
      </listitem>

      <listitem>
	<para>Ôïõò óôü÷ïõò ôïõ &os;&nbsp;Project.</para>
      </listitem>

      <listitem>
	<para>Ôéò âáóéêÝò áñ÷Ýò ôïõ open-source ìïíôÝëïõ áíÜðôõîçò ôïõ
	  &os;.</para>
      </listitem>

      <listitem>
	<para>Êáé öõóéêÜ: áðü ðïõ ðñïÝñ÷åôáé ôï üíïìá
	  <quote>&os;</quote>.</para>
      </listitem>
    </itemizedlist>
  </sect1>

  <sect1 id="nutshell">
    <title>Êáëþò Þëèáôå óôï &os;!</title>
    <indexterm><primary>4.4BSD-Lite</primary></indexterm>

    <para>Ôï &os; åßíáé Ýíá ëåéôïõñãéêü óýóôçìá âáóéóìÝíï óôï 4.4BSD-Lite,
      ôï ïðïßï ìðïñåß íá ÷ñçóéìïðïéçèåß óå Ç/Õ Intel (x86 êáé
      &itanium;), AMD64 êáé Sun
      &ultrasparc;.  Óå åîÝëéîç âñßóêåôáé åðßóçò ç äéáäéêáóßá ìåôáöïñÜò ôïõ
      &os; óå Üëëåò áñ÷éôåêôïíéêÝò.  Ìðïñåßôå åðßóçò íá äéáâÜóåôå ãéá
      <link linkend="history">ôçí éóôïñßá ôïõ &os;</link>, Þ ãéá ôçí
      <link linkend="relnotes">ðéï ðñüóöáôç åðßóçìç Ýêäïóç ôïõ</link>.  ÅÜí
      åíäéáöÝñåóôå íá óõìâÜëëåôå ìå êÜðïéï ôñüðï óôï Project (êþäéêáò,
      hardware, ìç-ðñïóçìåéùìÝíá ÷áñôïíïìßóìáôá), äéáâÜóôå ôï Üñèñï <ulink
	url="&url.articles.contributing;/index.html">ÓõíåéóöÝñïíôáò óôçí
	ÁíÜðôõîç ôïõ &os;</ulink>.</para>

    <sect2 id="os-overview">
      <title>Ôé ìðïñåß íá êÜíåé ôï &os;;</title>

      <para>Ôï &os; Ý÷åé ðïëëÜ áîéüëïãá ÷áñáêôçñéóôéêÜ.  ÌåñéêÜ áðü áõôÜ
	åßíáé:</para>

      <itemizedlist>
	<listitem>
	  <indexterm><primary>preemptive multitasking</primary></indexterm>
	  <indexterm><primary>preemptive ðïëõåðåîåñãáóßá</primary></indexterm>

	  <para><emphasis>Preemptive ðïëõåðåîåñãáóßá</emphasis> (preemptive
	    multitasking) ìå äõíáìéêü Ýëåã÷ï ðñïôåñáéüôçôáò ãéá íá
	    åîáóöáëéóôåß ïìáëüò êáé äßêáéïò äéáìïéñáóìüò ôùí ðüñùí ôïõ Ç/Õ
	    ìåôáîý åöáñìïãþí êáé ÷ñçóôþí, áêüìç êáé óôéò ðéï áíôßîïåò
	    óõíèÞêåò.</para>
	</listitem>

	<listitem>
	  <indexterm><primary>multi-user facilities</primary></indexterm>
	  <indexterm><primary>ðïëõ÷ñçóôéêÝò äõíáôüôçôåò</primary></indexterm>

	  <para><emphasis>Ðïëõ÷ñçóôéêÝò äõíáôüôçôåò</emphasis> (multi-user
	    facilities) ïé ïðïßåò åðéôñÝðïõí óå ðïëëÜ Üôïìá ôáõôü÷ñïíá íá
	    ÷ñçóéìïðïéÞóïõí Ýíá óýóôçìá &os; ãéá äéáöïñåôéêÜ ðñÜãìáôá.  Áõôü
	    óçìáßíåé, ãéá ðáñÜäåéãìá, üôé ôá ðåñéöåñåéáêÜ ôïõ óõóôÞìáôïò,
	    üðùò åêôõðùôÝò êáé ïäçãïß ôáéíéþí åßíáé óùóôÜ ìïéñáóìÝíá ìåôáîý
	    üëùí ôùí ÷ñçóôþí ôïõ óõóôÞìáôïò Þ ôïõ äéêôýïõ êáé ðùò ìðïñïýí íá
	    ôåèïýí óõãêåêñéìÝíá üñéá óå ÷ñÞóôåò Þ ïìÜäåò ÷ñçóôþí,
	    ðñïóôáôåýïíôáò êñßóéìïõò ðüñïõò ôïõ óõóôÞìáôïò áðü õðåñâïëéêÞ
	    ÷ñÞóç.</para>
	</listitem>

	<listitem>
	  <indexterm><primary>TCP/IP networking</primary></indexterm>
	  <indexterm><primary>äéêôõáêÝò äõíáôüôçôåò TCP/IP</primary></indexterm>

	  <para>Éó÷õñÝò äõíáôüôçôåò <emphasis>äéêôýùóçò TCP/IP</emphasis>
	    (TCP/IP networking) ìå õðïóôÞñéîç ãéá âéïìç÷áíéêÜ ðñüôõðá üðùò
	    ôá SCTP, DHCP, NFS, NIS, PPP, SLIP, IPsec êáé IPv6.  Áõôü
	    óçìáßíåé ðùò Ýíá ìç÷Üíçìá &os; ìðïñåß íá áëëçëåðéäñÜ åýêïëá ìå
	    Üëëá óõóôÞìáôá êáé íá åñãÜæåôáé óáí åôáéñéêüò åîõðçñåôçôÞò,
	    õðïóôçñßæïíôáò ëåéôïõñãßåò æùôéêÞò óçìáóßáò, üðùò NFS
	    (áðïìáêñõóìÝíç ðñüóâáóç óå áñ÷åßá) êáé õðçñåóßåò çëåêôñïíéêïý
	    ôá÷õäñïìåßïõ (e-mail), Þ ôçí ðáñïõóßá ôïõ ïñãáíéóìïý óáò óôï
	    äéáäßêôõï ìÝóù ôùí õðçñåóéþí WWW, FTP, routing êáé firewall
	    (áóöÜëåéáò).</para>
	</listitem>

	<listitem>
	  <indexterm><primary>memory protection</primary></indexterm>
	  <indexterm><primary>ðñïóôáóßá ìíÞìçò</primary></indexterm>

	  <para>Ç <emphasis>ðñïóôáóßá ôçò ìíÞìçò</emphasis> (memory
	    protection) åîáóöáëßæåé üôé ïé äéÜöïñåò åöáñìïãÝò (Þ ïé ÷ñÞóôåò)
	    äåí áëëçëåðéäñïýí ìåôáîý ôïõò.  Ìéá åöáñìïãÞ ðïõ ðáñïõóéÜæåé
	    êÜðïéï ðñüâëçìá äå ìðïñåß íá åðçñåÜóåé Üëëåò ìå êáíÝíáí
	    ôñüðï.</para>
	</listitem>

	<listitem>
	  <para>Ôï &os; åßíáé Ýíá ëåéôïõñãéêü óýóôçìá
	    <emphasis>32-bit</emphasis> (<emphasis>64-bit</emphasis> óå
	    AMD64, êáé &ultrasparc;) êáé ó÷åäéÜóôçêå ìå
	    áõôü ôïí ôñüðï åî' áñ÷Þò.</para>
	</listitem>

	<listitem>
	  <indexterm>
	    <primary>X Window System</primary>
	  </indexterm>

	  <para>Ôï âéïìç÷áíéêü ðñüôõðï <emphasis>X Window System</emphasis>
	    (X11R6) ðñïóöÝñåé ãñáöéêü ðåñéâÜëëïí åñãáóßáò (GUI) óôï êüóôïò
	    ìéáò êïéíÞò êÜñôáò VGA êáé ìéáò ïèüíçò êáé äéáôßèåôáé ìå
	    ôïí ðëÞñç ðçãáßï êþäéêá.</para>
	</listitem>

	<listitem>
	<indexterm>
	  <primary>óõìâáôüôçôá åêôåëÝóéìùí</primary>
	  <secondary>Linux</secondary>
	</indexterm>
	<indexterm>
	  <primary>óõìâáôüôçôá åêôåëÝóéìùí</primary>
	  <secondary>SCO</secondary>
	</indexterm>
	<indexterm>
	  <primary>óõìâáôüôçôá åêôåëÝóéìùí</primary>
	  <secondary>SVR4</secondary>
	</indexterm>
	<indexterm>
	  <primary>óõìâáôüôçôá åêôåëÝóéìùí</primary>
	  <secondary>BSD/OS</secondary>
	</indexterm>
	<indexterm>
	  <primary>óõìâáôüôçôá åêôåëÝóéìùí</primary>
	  <secondary>NetBSD</secondary>
	</indexterm>
	  <para><emphasis>Óõìâáôüôçôá åêôåëÝóéìùí</emphasis> ìå ðïëëÜ
	    ðñïãñÜììáôá ðïõ Ý÷ïõí ìåôáãëùôôéóôåß ãéá Linux, SCO, SVR4, BSDI
	    êáé NetBSD.</para>
	</listitem>

	<listitem>
	  <para>×éëéÜäåò <emphasis>Ýôïéìåò-ðñïò-åêôÝëåóç</emphasis>
	    åöáñìïãÝò åßíáé äéáèÝóéìåò áðü ôçí óõëëïãÞ
	    <emphasis>ports</emphasis> êáé <emphasis>packages</emphasis>
	    ãéá ôï &os;.  Ãéáôß íá øÜ÷íåôå óôï äéáäßêôõï üôáí ìðïñåßôå íá ôá
	    âñåßôå üëá åäþ;</para>
	</listitem>

	<listitem>
	  <para>Óôï äéáäßêôõï åßíáé åðßóçò äéáèÝóéìåò ÷éëéÜäåò ðñüóèåôåò êáé
	    <emphasis>åýêïëåò óôçí ðñïóáñìïãÞ</emphasis> åöáñìïãÝò.
	    Ôï &os; Ý÷åé óõìâáôüôçôá ðçãáßïõ êþäéêá ìå ôá ðéï
	    äçìïöéëÞ åìðïñéêÜ óõóôÞìáôá &unix;, åðïìÝíùò ïé ðåñéóóüôåñåò
	    åöáñìïãÝò ÷ñåéÜæïíôáé ëßãåò Ýùò êáèüëïõ ìåôáôñïðÝò ãéá íá
	    ìåôáãëùôôéóôïýí (compile).</para>
	</listitem>

	<listitem>
	  <indexterm><primary>virtual memory</primary></indexterm>

	  <para>Ç ÄõíáìéêÞ óåëéäïðïßçóç <emphasis>åéêïíéêÞò ìíÞìçò</emphasis>
	    êáé ôï <quote>ïëïêëçñùìÝíï VM/buffer cache</quote> ðáñÝ÷ïõí
	    õøçëÞ áðüäïóç óå åöáñìïãÝò ìå áõîçìÝíåò áíÜãêåò óå ìíÞìç, åíþ
	    äéáôçñïýí ôçí éêáíïðïéçôéêÞ áðüêñéóç ôïõ óõóôÞìáôïò óôïõò Üëëïõò
	    ÷ñÞóôåò.</para>
	</listitem>

	<listitem>
	<indexterm>
	  <primary>Symmetric Multi-Processing (SMP)</primary>
	</indexterm>
	<indexterm>
	  <primary>ÓõììåôñéêÞ Ðïëõ-Åðåîåñãáóßá (SMP)</primary>
	</indexterm>
	  <para>ÕðïóôÞñéîç <emphasis>SMP</emphasis> ãéá ìç÷áíÞìáôá ìå
	    ðïëëáðëÝò CPU.</para>
	</listitem>

	<listitem>
	<indexterm>
	  <primary>compilers</primary>
	  <secondary>C</secondary>
	</indexterm>
	<indexterm>
	  <primary>compilers</primary>
	  <secondary>C++</secondary>
	</indexterm>
	<indexterm>
	  <primary>compilers</primary>
	  <secondary>FORTRAN</secondary>
	</indexterm>
	  <para>ÐëÞñçò óåéñÜ åñãáëåßùí áíÜðôõîçò ãéá
	    <emphasis>C</emphasis>, <emphasis>C++</emphasis>,
	    êáé <emphasis>Fortran</emphasis>.  Óôç ÓõëëïãÞ ôùí Ports êáé ôùí
	    Ýôïéìùí ðáêÝôùí, èá âñåßôå ðïëëÝò áêüìá ãëþóóåò ðñïãñáììáôéóìïý,
	    êáôÜëëçëåò ôüóï ãéá Ýñåõíá üóï êáé ãéá áíÜðôõîç ëïãéóìéêïý.</para>
	</listitem>

	<listitem>
	  <indexterm><primary>ðçãáßïò êþäéêáò</primary></indexterm>
	  <indexterm><primary>source code</primary></indexterm>

	  <para><emphasis>Ç äéáèåóéìüôçôá ôïõ ðçãáßïõ êþäéêá</emphasis>
	    ïëüêëçñïõ ôïõ óõóôÞìáôïò óçìáßíåé üôé Ý÷åôå ôïí õøçëüôåñï âáèìü
	    åëÝã÷ïõ óôï ðåñéâÜëëïí óáò.  Ãéáôß íá åßóôå êëåéäùìÝíïé óå Ýíá
	    êëåéóôü óýóôçìá êáé íá åßóôå åîáñôçìÝíïé áðü ôïí ðñïìçèåõôÞ óáò,
	    üôáí ìðïñåßôå íá Ý÷åôå Ýíá ðñáãìáôéêÜ áíïé÷ôü óýóôçìá;</para>
	</listitem>

	<listitem>
	  <para>ÅêôåôáìÝíç <emphasis>online ôåêìçñßùóç</emphasis>.</para>
	</listitem>

	<listitem>
	  <para><emphasis>Êáé ðïëëÜ Üëëá!</emphasis></para>
	</listitem>
      </itemizedlist>

      <indexterm><primary>4.4BSD-Lite</primary></indexterm>
      <indexterm>
	<primary>Computer Systems Research Group (CSRG)</primary>
      </indexterm>
      <indexterm><primary>U.C. Berkeley</primary></indexterm>
      <para>Ôï &os; âáóßæåôáé óôçí Ýêäïóç 4.4BSD-Lite ôïõ Computer
	Systems Research Group (CSRG) ôïõ Ðáíåðéóôçìßïõ ôçò Êáëéöüñíéáò óôï
	Berkeley, êáé óõíå÷ßæåé ôçí äéáêåêñéìÝíç ðáñÜäïóç ôïõ óôçí áíÜðôõîç
	óõóôçìÜôùí BSD.  Åðéðñüóèåôá óôï åîáßñåôï Ýñãï ðïõ ðáñåß÷å ôï CSRG, ôï
	&os;&nbsp;Project îüäåøå ðïëëÝò ÷éëéÜäåò þñåò óôç âåëôéóôïðïßçóç ôïõ
	óõóôÞìáôïò ãéá ìÝãéóôåò åðéäüóåéò êáé áîéïðéóôßá óå êáèçìåñéíÝò
	êáôáóôÜóåéò ðñáãìáôéêïý öüñôïõ åñãáóßáò.  Áí êáé ðïëëïß åìðïñéêïß
	êïëïóóïß äõóêïëåýïíôáé íá ðñïóöÝñïõí ëåéôïõñãéêÜ óõóôÞìáôá ìå ôÝôïéá
	÷áñáêôçñéóôéêÜ, åðéäüóåéò êáé áîéïðéóôßá, ôï &os; ìðïñåß íá ôá
	ðñïóöÝñåé <emphasis>ôþñá</emphasis>!</para>

      <para>Ïé åöáñìïãÝò óôéò ïðïßåò ìðïñåß íá ÷ñçóéìïðïéçèåß ôï &os;,
	ðñáãìáôéêÜ ðåñéïñßæïíôáé ìüíï áðü ôçí öáíôáóßá óáò.  Áðü áíÜðôõîç
	ëïãéóìéêïý ìÝ÷ñé áõôïìáôéóìïýò åñãïóôáóßùí, áðü áðïãñáöÞ åéäþí
	ìÝ÷ñé ôçí äéüñèùóç ôïõ áæéìïýèéïõ áðïìáêñõóìÝíùí äïñõöïñéêþí
	êåñáéþí, åÜí ìðïñåß íá ãßíåé ìå Ýíá åìðïñéêü ðñïúüí &unix;, åßíáé
	ðáñáðÜíù áðü ðéèáíü üôé ìðïñåß íá ãßíåé êáé ìå ôï &os;!  Ôï &os;
	åðßóçò ùöåëåßôáé óçìáíôéêÜ áðü êõñéïëåêôéêÜ ÷éëéÜäåò åöáñìïãÝò
	õøçëÞò ðïéüôçôáò ðïõ áíáðôýóóïíôáé áðü êÝíôñá åñåõíþí êáé
	ðáíåðéóôÞìéá óå üëï ôïí êüóìï, êáé óõ÷íÜ äéáôßèåíôáé óå ÷áìçëü
	êüóôïò Þ äùñåÜí.  Ôï ðëÞèïò ôùí åìðïñéêþí åöáñìïãþí ðïõ äéáôßèåíôáé
	ãéá ôï &os;, áõîÜíåôáé åðßóçò êáèçìåñéíÜ.</para>

      <para>Ï ðçãáßïò êþäéêáò ôïõ ßäéïõ ôïõ &os; åßíáé ðëÞñùò äéáèÝóéìïò,
	êáé Ýôóé ôï óýóôçìá ìðïñåß íá ðñïóáñìïóôåß óå áöÜíôáóôá õøçëü
	åðßðåäï ãéá åéäéêÝò åöáñìïãÝò Þ projects, êáé ìå ôñüðïõò ãåíéêÜ ìç
	ðñáãìáôïðïéÞóéìïõò óå Üëëá ëåéôïõñãéêÜ åìðïñéêþí ðñïìçèåõôþí.
	ÐáñáêÜôù èá âñåßôå ìåñéêÜ ìüíï ðáñáäåßãìáôá áðü åöáñìïãÝò óôéò
	ïðïßåò ìðïñåß íá ÷ñçóéìïðïéçèåß áõôÞ ôç óôéãìÞ ôï &os;:</para>

      <itemizedlist>
	<listitem>
	  <para><emphasis>Õðçñåóßåò ºíôåñíåô:</emphasis> Ôï éó÷õñü óýóôçìá
	    äéêôýùóçò TCP/IP ôïõ &os;, ôï áíáäåéêíýåé óå éäåþäç ðëáôöüñìá ãéá
	    ìéá ìåãÜëç ãêÜìá õðçñåóéþí ºíôåñíåô üðùò:</para>

	  <itemizedlist>
	    <listitem>
	      <indexterm><primary>FTP servers</primary></indexterm>

	      <para>ÅîõðçñåôçôÝò FTP</para>
	    </listitem>

	    <listitem>
	      <indexterm><primary>web servers</primary></indexterm>

	      <para>ÅîõðçñåôçôÝò éóôïóåëßäùí World Wide Web (êïéíïýò Þ ìå
		áóöáëÞ óýíäåóç [SSL])</para>
	    </listitem>

	    <listitem>
	      <para>Äñïìïëüãçóç ðñùôïêüëëùí IPv4 êáé IPv6</para>
	    </listitem>

	    <listitem>
	      <indexterm><primary>firewall</primary></indexterm>
	      <indexterm><primary>NAT</primary></indexterm>

	      <para>Firewalls êáé ðýëåò NAT (<quote>IP masquerading</quote>)</para>
	    </listitem>

	    <listitem>
	    <indexterm>
	      <primary>çëåêôñïíéêü ôá÷õäñïìåßï</primary>
	      <see>email</see>
	    </indexterm>
	    <indexterm>
	      <primary>email</primary>
	    </indexterm>
	      <para>ÅîõðçñåôçôÝò çëåêôñïíéêïý ôá÷õäñïìåßïõ</para>
	    </listitem>

	    <listitem>
	      <indexterm><primary>USENET</primary></indexterm>

	      <para>USENET News Þ Bulletin Board Systems</para>
	    </listitem>

	    <listitem>
	      <para>Êáé Üëëá...</para>
	    </listitem>
	  </itemizedlist>

	  <para>Ìå ôï &os;, ìðïñåßôå åýêïëá íá îåêéíÞóåôå áðü ÷áìçëÜ ìå
	    Ýíá öôçíü PC ôçò ïéêïãÝíåéáò 386, êáé êáèþò ç åðé÷åßñçóç óáò
	    ìåãáëþíåé, íá áíáâáèìéóôåßôå óå Ýíá ôåôñáðýñçíï åðåîåñãáóôÞ Xeon
	    ìå äßóêïõò RAID.</para>
	</listitem>

	<listitem>
	  <para><emphasis>Åêðáßäåõóç:</emphasis> Åßóôå öïéôçôÞò
	    ðëçñïöïñéêÞò Þ êÜðïéïõ ó÷åôéêïý ôïìÝá; Äåí õðÜñ÷åé
	    êáëýôåñïò ôñüðïò íá ìÜèåôå ãéá ëåéôïõñãéêÜ óõóôÞìáôá,
	    áñ÷éôåêôïíéêÝò Ç/Õ, êáé óõóôÞìáôá äéêôýùí áðü ôçí ðñáêôéêÞ
	    åìðåéñßá êáé ôçí óå âÜèïò ãíþóç ðïõ ìðïñåß íá óáò ðáñÝ÷åé ôï
	    &os;.  Ôï ìåãÜëï ðëÞèïò ôùí äùñåÜí äéáèÝóéìùí ðáêÝôùí åöáñìïãþí
	    CAD, ãñáöéêÞò ó÷åäßáóçò, êáé ìáèçìáôéêþí, êÜíïõí ôï &os;
	    åîáéñåôéêÜ ÷ñÞóéìï óå üóïõò ôï êýñéï åíäéáöÝñïí ôïõò óôïõò
	    õðïëïãéóôÝò åßíáé íá
	    <emphasis>êÜíïõí ôç äïõëåéÜ ôïõò</emphasis>!</para>
	</listitem>

	<listitem>
	  <para><emphasis>¸ñåõíá:</emphasis> Ìå äéáèÝóéìï ôïí ðçãáßï
	    êþäéêá ïëüêëçñïõ ôïõ óõóôÞìáôïò, ôï &os; åßíáé ìßá
	    åîáßñåôç ðëáôöüñìá ãéá ôçí Ýñåõíá óôá ëåéôïõñãéêÜ óõóôÞìáôá
	    üðùò åðßóçò ãéá Üëëïõò êëÜäïõò ôçò ðëçñïöïñéêÞò.  Ç öýóç ôçò
	    åëåýèåñçò äéÜèåóçò ôïõ &os; åðéôñÝðåé åðßóçò óå áðïìáêñõóìÝíåò
	    ïìÜäåò íá óõíåñãÜæïíôáé óå éäÝåò Þ íá ìïéñÜæïíôáé ôçí áíÜðôõîç
	    åöáñìïãþí, ÷ùñßò íá áíçóõ÷ïýí ãéá Üäåéåò ÷ñÞóçò êáé ÷ùñßò íá
	    ðåñéïñßæåôáé ç äõíáôüôçôá ôïõò ãéá åëåýèåñç óõæÞôçóç ïðïéïõäÞðïôå
	    èÝìáôïò óå áíïé÷ôÝò ïìÜäåò óõæÞôçóçò (forums).</para>
	</listitem>

	<listitem>
	  <indexterm><primary>router</primary></indexterm>
	  <indexterm><primary>DNS Server</primary></indexterm>

	  <para><emphasis>Äéêôýùóç:</emphasis> ×ñåéÜæåóôå Ýíá êáéíïýñãéï
	    router (äñïìïëïãçôÞ);  ¸íá åîõðçñåôçôÞ DNS;  ¸íá firewall ãéá íá
	    êñáôÜôå ôïí êüóìï Ýîù áðü ôï åóùôåñéêü óáò äßêôõï;  Ôï &os;
	    ìðïñåß åýêïëá íá ìåôáôñÝøåé åêåßíï ôï Ü÷ñçóôï 386 Þ 486 PC ðïõ
	    êÜèåôáé óôçí ãùíßá, óå Ýíá ðñïçãìÝíï äñïìïëïãçôÞ ìå åîåæçôçìÝíåò
	    äõíáôüôçôåò öéëôñáñßóìáôïò ðáêÝôùí.</para>
	</listitem>

	<listitem>
	<indexterm>
	  <primary>Óýóôçìá X Window</primary>
	  <secondary>XFree86</secondary>
	</indexterm>
	<indexterm>
	  <primary>Óýóôçìá X Window</primary>
	  <secondary>Accelerated-X</secondary>
	</indexterm>
	  <para><emphasis>Óôáèìüò åñãáóßáò ìå X Window:</emphasis> Ôï &os;
	    åßíáé ìéá åîáßñåôç åðéëïãÞ ãéá Ýíá ïéêïíïìéêü åîõðçñåôçôÞ ×
	    ôåñìáôéêþí, ÷ñçóéìïðïéþíôáò ôïí åëåýèåñá äéáèÝóéìï åîõðçñåôçôÞ
	    X11.  Óå áíôßèåóç ìå ôá áðëÜ ôåñìáôéêÜ X, ìå ôï &os; ìðïñåßôå,
	    åöüóïí ôï åðéèõìåßôå, íá åêôåëåßôå ðïëëÝò åöáñìïãÝò ôïðéêÜ,
	    áðáëëÜóóïíôáò Ýôóé ôïí êåíôñéêü åîõðçñåôçôÞ áðü ðåñéôôü öïñôßï.
	    To &os; ìðïñåß íá îåêéíÞóåé áêüìá êáé <quote>diskless</quote>
	    (÷ùñßò óêëçñü äßóêï), êÜíïíôáò Ýôóé ôïõò ðñïóùðéêïýò óôáèìïýò
	    åñãáóßáò áêüìç ðéï öôçíïýò êáé åõêïëüôåñïõò óôç
	    äéá÷åßñéóç.</para>
	</listitem>

	<listitem>
	  <indexterm><primary>GNU Compiler Collection</primary></indexterm>

	  <para><emphasis>ÁíÜðôõîç Ëïãéóìéêïý:</emphasis> Ôï âáóéêü
	    óýóôçìá ôïõ &os; äéáôßèåôáé ïëïêëçñùìÝíï, ìå ðëÞñç óåéñÜ
	    åñãáëåßùí áíÜðôõîçò, ðïõ ðåñéëáìâÜíïõí ôïí áíáãíùñéóìÝíï
	    GNU C/C++ compiler êáé debugger.</para>
	</listitem>
      </itemizedlist>
      <para>Ôï &os; åßíáé äéáèÝóéìï óå ìïñöÞ ðçãáßïõ êþäéêá áëëÜ êáé Ýôïéìïõ,
	ìåôáãëùôôéóìÝíïõ åêôåëÝóéìïõ óå CD-ROM, DVD, êáé ìÝóù áíþíõìïõ FTP.
	Äåßôå ôï <xref linkend="mirrors"/> ãéá ðåñéóóüôåñåò ðëçñïöïñßåò ãéá
	ôï ðùò íá áðïêôÞóåôå ôï &os;.</para>
    </sect2>

    <sect2 id="introduction-nutshell-users">
      <title>Ðïéïò ÷ñçóéìïðïéåß &os;;</title>

      <indexterm>
	<primary>÷ñÞóôåò</primary>
	<secondary>ìåãÜëåò ôïðïèåóßåò ðïõ ôñÝ÷ïõí &os;</secondary>
      </indexterm>

      <para>Ôï &os; ÷ñçóéìïðïéåßôáé ùò âÜóç ãéá ôçí áíÜðôõîç óõóêåõþí êáé
	ðñïúüíôùí óå ìåñéêÝò áðü ôéò ìåãáëýôåñåò åôáéñßåò ðëçñïöïñéêÞò,
	ðåñéëáìâáíïìÝíùí ôùí:</para>

      <itemizedlist>
	<listitem>
	  <indexterm><primary>Apple</primary></indexterm>

	  <para><ulink url="http://www.apple.com/">Apple</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Cisco</primary></indexterm>

	  <para><ulink url="http://www.cisco.com/">Cisco</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Juniper</primary></indexterm>

	  <para><ulink url="http://www.juniper.net/">Juniper</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>NetApp</primary></indexterm>

	  <para><ulink url="http://www.netapp.com/">NetApp</ulink></para>
	</listitem>
      </itemizedlist>

      <para>Ôï &os; ÷ñçóéìïðïéåßôáé ãéá íá õðïóôçñßæåé ìåñéêÝò áðü ôéò
	ìåãáëýôåñåò ôïðïèåóßåò óôï ºíôåñíåô, ðåñéëáìâáíïìÝíùí ôùí:</para>

      <itemizedlist>
	<listitem>
	  <indexterm><primary>Yahoo!</primary></indexterm>

	  <para><ulink url="http://www.yahoo.com/">Yahoo!</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Yandex</primary></indexterm>

	  <para><ulink url="http://www.yandex.ru/">Yandex</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Apache</primary></indexterm>

	  <para><ulink url="http://www.apache.org/">Apache</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Rambler</primary></indexterm>

	  <para><ulink url="http://www.rambler.ru/">Rambler</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Sina</primary></indexterm>

	  <para><ulink url="http://www.sina.com/">Sina</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Pair Networks</primary></indexterm>

	  <para><ulink url="http://www.pair.com/">Pair Networks</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Sony Japan</primary></indexterm>

	  <para><ulink url="http://www.sony.co.jp/">Sony Japan</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Netcraft</primary></indexterm>

	  <para><ulink url="http://www.netcraft.com/">Netcraft</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>NetEase</primary></indexterm>

	  <para><ulink url="http://www.163.com/">NetEase</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Weathernews</primary></indexterm>

	  <para><ulink url="http://www.wni.com/">Weathernews</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>TELEHOUSE America</primary></indexterm>

	  <para><ulink url="http://www.telehouse.com/">TELEHOUSE
	    America</ulink></para>
	</listitem>

	<listitem>
	  <indexterm><primary>Experts Exchange</primary></indexterm>

	  <para><ulink url="http://www.experts-exchange.com/">Experts
	    Exchange</ulink></para>
	</listitem>
      </itemizedlist>

      <para>êáé ðïëëþí áêüìç.</para>
    </sect2>
  </sect1>

  <sect1 id="history">
    <title>Ðëçñïöïñßåò ãéá ôï &os;&nbsp;Project</title>

    <para>Ôï áêüëïõèï ôìÞìá ðáñÝ÷åé ìåñéêÝò ðëçñïöïñßåò ó÷åôéêÝò ìå
      ôï project, êáé ðåñéëáìâÜíåé ìéá óýíôïìç éóôïñßá ôïõ &os;, ôïõò
      óôü÷ïõò, êáé ôï ìïíôÝëï áíÜðôõîçò ôïõ.</para>

    <sect2 id="intro-history">
      <sect2info role="firstperson">
	<authorgroup>
	  <author>
	    <firstname>Jordan</firstname>
	    <surname>Hubbard</surname>
	    <contrib>ÓõíåéóöïñÜ ôïõ </contrib>
	  </author>
	</authorgroup>
      </sect2info>

      <title>Ìéá óýíôïìç éóôïñßá ôïõ &os;</title>

      <indexterm><primary>386BSD Patchkit</primary></indexterm>
      <indexterm><primary>Hubbard, Jordan</primary></indexterm>
      <indexterm><primary>Williams, Nate</primary></indexterm>
      <indexterm><primary>Grimes, Rod</primary></indexterm>
      <indexterm>
	<primary>FreeBSD Project</primary>
	<secondary>history</secondary>
      </indexterm>
      <para>To &os;&nbsp;Project ãåííÞèçêå óôéò áñ÷Ýò ôïõ 1993,
	ìåñéêþò óáí åîÝëéîç ôïõ <quote>Unofficial 386BSD
	Patchkit</quote> áðü ôïõò 3 ôåëåõôáßïõò óõíôïíéóôÝò ôïõ patchkit:
	ôïí Nate Williams, ôïí Rod Grimes êáé åìÝíá.</para>

      <indexterm><primary>386BSD</primary></indexterm>
      <para>Ï ðñùôáñ÷éêüò óôü÷ïò ìáò Þôáí íá ðáñÜãïõìå Ýíá åíäéÜìåóï
	óôéãìéüôõðï (snapshot) ôïõ 386BSD þóôå íá äéïñèþóïõìå ìåñéêÜ
	ðñïâëÞìáôá ðïõ ï ìç÷áíéóìüò ôïõ patchkit äåí Þôáí éêáíüò íá ëýóåé.
	Ìåñéêïß áðü óáò, ßóùò íá èõìïýíôáé ðùò ï áñ÷éêüò ôßôëïò åñãáóßáò ãéá
	ôï project Þôáí <quote>386BSD 0.5</quote> Þ
	<quote>386BSD Interim</quote> êáé áíáöÝñïíôáí óå áõôü áêñéâþò ôï
	ãåãïíüò.</para>

      <indexterm><primary>Jolitz, Bill</primary></indexterm>
      <para>Ôï 386BSD Þôáí ôï ëåéôïõñãéêü óýóôçìá ôïõ Bill Jolitz, ôï ïðïßï
	ìÝ÷ñé åêåßíï ôï óçìåßï, õðÝöåñå âáñéÜ Ý÷ïíôáò áìåëçèåß ãéá ó÷åäüí Ýíá
	Ýôïò.  Êáèþò ôï patchkit öïýóêùíå ïëïÝíá êáé ðåñéóóüôåñï
	ìå ôï ðÝñáóìá ôùí çìåñþí, åß÷áìå áðïöáóßóåé ïìüöùíá ðùò Ýðñåðå íá
	ãßíåé êÜôé, êáé áðïöáóßóáìå íá óõìðáñáóôáèïýìå óôïí Bill ðáñÝ÷ïíôáò
	ôïõ áõôü ôï åíäéÜìåóï <quote>cleanup</quote> snapshot.  Ôá ó÷Ýäéá áõôÜ
	äéáêüðçêáí áðüôïìá, üôáí îáöíéêÜ ï Bill Jolitz áðïöÜóéóå íá áðïóýñåé
	ôçí Ýãêñéóç ôïõ óôï project äß÷ùò ìéá îåêÜèáñç Ýíäåéîç ôïõ ôé èá
	Ýðñåðå íá ãßíåé.</para>

      <indexterm><primary>Greenman, David</primary></indexterm>
      <indexterm><primary>Walnut Creek CDROM</primary></indexterm>
      <para>Äåí ìáò ðÞñå ðïëý íá áðïöáóßóïõìå ðùò ï óôü÷ïò ðáñÝìåíå
	áîéüëïãïò, áêüìç êáé ÷ùñßò ôçí âïÞèåéá ôïõ Bill, êáé Ýôóé õéïèåôÞóáìå
	ôï üíïìá <quote>&os;</quote>, ðïõ åðéíüçóå ï David Greenman.
	Ïé áñ÷éêïß óôü÷ïé ìáò ôÝèçêáí áöïý óõìâïõëåõèÞêáìå ôïõò ôüôå ÷ñÞóôåò
	ôïõ óõóôÞìáôïò, êáé üôáí Ýãéíå ðëÝïí îåêÜèáñï ðùò ôï project åß÷å
	ðÜñåé óùóôÞ ðïñåßá êáé ßóùò Ýôåéíå íá ãßíåé ðñáãìáôéêüôçôá, Þñèá óå
	åðáöÞ ìå ôçí Walnut Creek CDROM ðñïóâëÝðïíôáò óôçí âåëôßùóç ôùí
	êáíáëéþí äéáíïìÞò ôïõ &os; ãéá üëïõò áõôïýò ôïõò Üôõ÷ïõò ðïõ äåí
	åß÷áí åýêïëç ðñüóâáóç óôï ºíôåñíåô.  Ç Walnut Creek CDROM, ü÷é ìüíï
	õðïóôÞñéîå ôçí éäÝá äéáíïìÞò ôïõ &os; óå CD, áëëÜ ðñï÷þñçóå áñêåôÜ
	ðåñéóóüôåñï, ðáñÝ÷ïíôáò óôï project Ýíá ìç÷Üíçìá åñãáóßáò êáé ìéá
	ãñÞãïñç óýíäåóç óôï ºíôåñíåô.  Äß÷ùò ôïí âáèìü ðßóôçò ôçò Walnut
	Creek CDROM óå áõôü ðïõ åêåßíï ôïí êáéñü Þôáí Ýíá åíôåëþò Üãíùóôï
	project, åßíáé ðïëý áðßèáíï ôï &os; íá åß÷å öôÜóåé ôüóï ìáêñéÜ,
	êáé ôüóï ãñÞãïñá, üðùò óÞìåñá.</para>

      <indexterm><primary>4.3BSD-Lite</primary></indexterm>
      <indexterm><primary>Net/2</primary></indexterm>
      <indexterm><primary>U.C. Berkeley</primary></indexterm>
      <indexterm><primary>386BSD</primary></indexterm>
      <indexterm><primary>Free Software Foundation</primary></indexterm>
      <para>Ç ðñþôç äéáíïìÞ CD-ROM (êáé ìå ãåíéêÜ åõñåßá äéÜäïóç óôï äßêôõï)
	Þôáí ç &os;&nbsp;1.0, ðïõ êõêëïöüñçóå ôïí ÄåêÝìâñç ôïõ 1993.
	Âáóßæïíôáí óå ìéá ôáéíßá ôïõ 4.3BSD-Lite (<quote>Net/2</quote>) ôïõ
	U.C. Berkeley, Ý÷ïíôáò ðÜñåé êáé ðïëëÜ óôïé÷åßá áðü ôï 386BSD êáé
	ôï Free Software Foundation.  ¹ôáí áñêåôÜ åðéôõ÷çìÝíç ãéá ðñþôç
	ðñïóðÜèåéá, êáé ôçí óõíå÷ßóáìå ìå ôçí áñêåôÜ åðéôõ÷çìÝíç Ýêäïóç
	&os;&nbsp;1.1 ðïõ êõêëïöüñçóå ôïí ÌÜúï ôïõ 1994.</para>

      <indexterm><primary>Novell</primary></indexterm>
      <indexterm><primary>U.C. Berkeley</primary></indexterm>
      <indexterm><primary>Net/2</primary></indexterm>
      <indexterm><primary>AT&amp;T</primary></indexterm>
      <para>Ðåñßðïõ åêåßíç ôçí ðåñßïäï, ó÷çìáôßóôçêáí áðñüóìåíá óôïí ïñßæïíôá
	óýííåöá êáôáéãßäáò, êáèþò ç Novell êáé ôï U.C. Berkeley ôáêôïðïßçóáí
	ôçí ìáêñÜò äéáñêåßáò äéêáóôéêÞ äéáìÜ÷ç ó÷åôéêÜ ìå ôá äéêáéþìáôá ôçò
	ôáéíßáò Net/2.  Ìßá óõíèÞêç áõôÞò ôçò óõìöùíßáò Þôáí ç ðáñáäï÷Þ áðü
	ôçí ìåñéÜ ôïõ U.C. Berkeley üôé ìåãÜëï ìÝñïò ôïõ Net/2 Þôáí
	<quote>åðéâáñõìÝíïò</quote> êþäéêáò êáé éäéïêôçóßá ôçò Novell, ç
	ïðïßá ìå ôçí óåéñÜ ôçò ôï åß÷å áðïêôÞóåé áðü ôçí AT&amp;T ëßãï êáéñü
	ðñéí.  Áõôü ðïõ ðÞñå ùò áíôÜëëáãìá ôï Berkeley Þôáí ïé
	<quote>åõëïãßåò</quote> ôçò Novell üôé ç Ýêäïóç 4.4BSD-Lite, üôáí
	ôåëéêÜ ïëïêëçñùíüôáí, èá äçëùíüôáí ùò ìç-åðéâáñõìÝíç, êáé üëïé ïé
	ìÝ÷ñé ôüôå ÷ñÞóôåò ôïõ Net/2 èá åíèáññýíïíôáí Ýíèåñìá íá ìåôáâïýí óå
	áõôÞ.  Áõôü óõìðåñéëÜìâáíå êáé ôï &os;, êáé óôï project äüèçêå ÷ñüíïò
	ìÝ÷ñé ôïí Éïýëéï ôïõ 1994 íá óôáìáôÞóåé ôéò ðáñáäüóåéò ôùí ðñïúüíôùí
	ðïõ âáóßæïíôáí óôï Net/2.  Õðü ôïõò üñïõò áõôÞò ôçò óõìöùíßáò,
	åðéôñÜðçêå óôï project ìéá ôåëåõôáßá Ýêäïóç ðñéí ôçí ëÞîç ôçò
	ðñïèåóìßáò, êáé áõôÞ Þôáí ç Ýêäïóç &os;&nbsp;1.1.5.1.</para>

      <para>Ôï &os; âñÝèçêå ôüôå óôç äõó÷åñÞ èÝóç êõñéïëåêôéêÜ íá
	îáíá-áíáêáëýøåé ôïí åáõôü ôïõ áðü Ýíá óýíïëï áðü bit ôïõ 4.4BSD-Lite,
	åíôåëþò êáéíïýñãéï, êáé êõñßùò áôåëÝò.  Ïé åêäüóåéò
	<quote>Lite</quote> Þôáí light (åëáöñéÝò) åí' ìÝñåé åðåéäÞ ôï CSRG
	ôïõ Berkeley åß÷å áöáéñÝóåé ìåãÜëï üãêï êþäéêá ï ïðïßïò Þôáí
	áðáñáßôçôïò ãéá íá êáôáóêåõáóôåß Ýíá ðñáãìáôéêÜ åêêéíÞóéìï
	ëåéôïõñãéêü óýóôçìá (ëüãù äéáöüñùí íïìéêþí æçôçìÜôùí), êáé åí' ìÝñåé
	åðåéäÞ ôï port ãéá Intel ôïõ 4.4 Þôáí óå õøçëü âáèìü áôåëÝò.
	Ç ìåôÜâáóç ïëïêëçñþèçêå ôïí ÍïÝìâñéï ôïõ 1994, êáé óå áõôü ôï óçìåßï
	êõêëïöüñçóå ç &os;&nbsp;2.0 óôï äßêôõï êáé óå CD-ROM (ôÝëç ÄåêÝìâñç).
	ÐáñÜ ôï ãåãïíüò üôé Þôáí áêüìç áñêåôÜ ðñü÷åéñç ìÝóåò-Üêñåò,
	ç Ýêäïóç Þôáí ìéá óçìáíôéêÞ åðéôõ÷ßá êáé ôçí áêïëïýèçóå ç
	ðéï áîéüðéóôç êáé åõêïëüôåñç ùò ðñïò ôçí åãêáôÜóôáóç Ýêäïóç
	&os;&nbsp;2.0.5 ôïí Éïýíéï ôïõ 1995.</para>

      <para>ÊõêëïöïñÞóáìå ôçí &os;&nbsp;2.1.5 ôïí Áýãïõóôï ôïõ 1996, êáé
	öÜíçêå íá åßíáé áñêåôÜ äçìïöéëÞò óôïõò ISP êáé óôéò åìðïñéêÝò
	êïéíüôçôåò, ôüóï ðïõ Üîéæå Üëëï Ýíá ðáñáêëÜäé óôïí êïñìü ôçò
	2.1-STABLE.  ÁõôÞ Þôáí ç &os;&nbsp;2.1.7.1, ðïõ êõêëïöüñçóå ôïí
	ÖåâñïõÜñéï ôïõ 1997 êáé Þôáí ç áðïêïñýöùóç ôçò êýñéáò áíÜðôõîçò ôçò
	2.1-STABLE, ç ïðïßá âñßóêåôáé ðëÝïí óå êáôÜóôáóç óõíôÞñçóçò.
	èá ãßíïíôáé ìüíï âåëôéþóåéò áóöáëåßáò êáé Üëëåò êñßóéìåò äéïñèþóåéò
	bugs óå áõôü ôïí êïñìü (RELENG_2_1_0).</para>

      <para>Ç &os;&nbsp;2.2 äéáêëáäþèçêå áðü ôçí áíÜðôõîç ôçò êýñéáò ãñáììÞò
	(<quote>-CURRENT</quote>) ôïí ÍïÝìâñéï ôïõ 1996, ùò êëÜäïò RELENG_2_2,
	êáé ç ðñþôç ðëÞñç Ýêäïóç (2.2.1) êõêëïöüñçóå ôïí Áðñßëéï ôïõ
	1997.  Ðñüóèåôåò åêäüóåéò áðü ôïí êëÜäï 2.2 äüèçêáí óå êõêëïöïñßá ôï
	êáëïêáßñé êáé ôï öèéíüðùñï ôïõ '97, ç ôåëåõôáßá ôùí ïðïßùí (ç 2.2.8)
	åìöáíßóôçêå ôïí ÍïÝìâñç ôïõ 1998.  Ç ðñþôç åðßóçìç Ýêäïóç 3.0
	åìöáíßóôçêå ôïí Ïêôþâñéï ôïõ 1998 êáé óçìÜäåøå ôçí áñ÷Þ ôïõ ôÝëïõò
	ãéá ôïí êëÜäï 2.2.</para>

      <para>Ï êïñìüò äéáêëáäþèçêå ðÜëé óôéò 20 Éáíïõáñßïõ 1999, ïäçãþíôáò óôçí
	4.0-CURRENT êáé óôïí êëÜäï 3.X-STABLE.  Áðü ôïí 3.X-STABLE, ç 3.1
	êõêëïöüñçóå óôéò 15 Öåâñïõáñßïõ 1999, ç 3.2 óôéò 15 ÌáÀïõ 1999, ç 3.3
	óôéò 16 Óåðôåìâñßïõ 1999, ç 3.4 óôéò 20 Äåêåìâñßïõ ôïõ 1999, êáé ç
	3.5 óôéò 24 Éïõíßïõ 2000, ôçí ïðïßá áêïëïýèçóå ëßãåò ìÝñåò ìåôÜ ìßá
	ìéêñÞò ôÜîåùò áíáâÜèìéóç, ç 3.5.1, ãéá íá óõìðåñéëçöèïýí êÜðïéåò
	áíáâáèìßóåéò áóöáëåßáò ôçò ôåëåõôáßáò óôéãìÞò óôï Kerberos.  ÁõôÞ
	Þôáí êáé ç ôåëéêÞ Ýêäïóç áðü ôïí êëÜäï ôçò 3.X.</para>

      <para>¸íá íÝï ðáñáêëÜäé äçìéïõñãÞèçêå óôéò 13 Ìáñôßïõ 2000,
	äçìéïõñãþíôáò Ýôóé ôïí êëÜäï áíÜðôõîçò 4.X-STABLE.  ÄçìéïõñãÞèçêáí
	äéÜöïñåò åêäüóåéò áðü áõôü ôïí êëÜäï: Ç 4.0-RELEASE êõêëïöüñçóå ôïí
	ÌÜñôéï ôïõ 2000, êáé ç ôåëåõôáßá 4.11-RELEASE êõêëïöüñçóå ôïí
	ÉáíïõÜñéï ôïõ 2005.</para>

      <para>ÌåôÜ áðü ìåãÜëï ÷ñïíéêü äéÜóôçìá áíáìïíÞò, ç 5.0-RELEASE
	áíáêïéíþèçêå óôéò 19 Éáíïõáñßïõ ôïõ 2003.  Ùò áðïêïñýöùìá ó÷åäüí
	ôñéþí ÷ñüíùí åñãáóßáò, ç Ýêäïóç áõôÞ åéóÞãáãå ôï &os; óôï ìïíïðÜôé
	ôùí åîåëéãìÝíùí ðïëõåðåîåñãáóôþí êáé óôçí õðïóôÞñéîç åöáñìïãþí ìå
	threads, åíþ åéóÞãáãå êáé õðïóôÞñéîç ãéá ôéò ðëáôöüñìåò &ultrasparc;
	êáé <literal>ia64</literal>.  ÁõôÞí ôçí Ýêäïóç áêïëïýèçóå ç 5.1 ôïí
	Éïýíéï ôïõ 2003.  Ç ôåëåõôáßá Ýêäïóç 5.X áðü ôïí êïñìü ôçò -CURRENT
	Þôáí ç 5.2.1-RELEASE, ðïõ êõêëïöüñçóå ôïí ÖåâñïõÜñéï ôïõ 2004.</para>

      <para>Ï êïñìüò ôçò RELENG_5, äçìéïõñãÞèçêå ôïí Áýãïõóôï ôïõ 2004, êáé
	áêïëïýèçóå ç 5.3-RELEASE, ç ïðïßá óçìÜäåøå ôçí áñ÷Þ ôùí åêäüóåùí áðü
	ôïí êëÜäï 5-STABLE.  Ç ðéï ðñüóöáôç 5.5-RELEASE êõêëïöüñçóå ôïí ÌÜéï
	ôïõ 2006.  Äåí Èá õðÜñîïõí ðñüóèåôåò åêäüóåéò áðü ôïí êïñìü ôçò
	RELENG_5.</para>

      <para>Ï êïñìüò äéáêëáäþèçêå ðÜëé ôïí Éïýëéï ôïõ 2005, áõôÞ ôç öïñÜ ãéá
	ôçí äçìéïõñãßá ôïõ êëÜäïõ RELENG_6.  Ç 6.0-RELEASE åßíáé ç ðñþôç
	Ýêäïóç ôçò óåéñÜò 6.X, êáé êõêëïöüñçóå ôïí ÍïÝìâñéï ôïõ 2005.  Ç ðéï
	ðñüóöáôç 6.4-RELEASE êõêëïöüñçóå ôïí ÍïÝìâñéï ôïõ 2008.
	Äåí èá õðÜñîïõí ðñüóèåôåò åêäüóåéò áðü ôïí êïñìü ôçò
	RELENG_6. Áõôüò åßíáé êáé ï ôåëåõôáßïò êëÜäïò ðïõ õðïóôçñßæåé ôçí
	áñ÷éôåêôïíéêÞ Alpha.</para>

      <para>Ï êëÜäïò áíÜðôõîçò RELENG_7, äçìéïõñãÞèçêå ôïí Ïêôþâñéï ôïõ 2007.
	Ç ðñþôç Ýêäïóç áðü áõôü ôïí êëÜäï, Þôáí ç 7.0-RELEASE
	ç ïðïßá êõêëïöüñçóå ôïí ÖåâñïõÜñéï ôïõ 2008.  Ç ðéï ðñüóöáôç
	7.4-RELEASE êõêëïöüñçóå ôïí ÖåâñïõÜñéï ôïõ 2011.
	Äåí Èá õðÜñîïõí ðñüóèåôåò åêäüóåéò áðü ôïí êëÜäï RELENG_7.</para>

      <para>Ï êïñìüò äéáêëáäþèçêå ðÜëé ôïí Áýãïõóôï ôïõ 2009, áõôÞ ôç öïñÜ
	ãéá ôçí äçìéïõñãßá ôïõ êëÜäïõ RELENG_8.  Ç 8.0-RELEASE åßíáé ç ðñþôç
	Ýêäïóç ôçò óåéñÜò 8.× êáé êõêëïöüñçóå ôïí ÍïÝìâñéï ôïõ 2009.  Ç ðéï
	ðñüóöáôç &rel2.current;-RELEASE êõêëïöüñçóå ôïí &rel2.current.date;.
	Èá õðÜñîïõí ðñüóèåôåò åêäüóåéò áðü ôïí êëÜäï RELENG_8.</para>

      <para>Ï êëÜäïò áíÜðôõîçò RELENG_9, äçìéïõñãÞèçêå ôïí ÓåðôÝìâñéï
	ôïõ 2011.  Ç ðñþôç Ýêäïóç áðü áõôü ôïí êëÜäï, Þôáí ç
	&rel.current;-RELEASE ç ïðïßá êõêëïöüñçóå ôïí &rel.current.date;.
	Èá õðÜñîïõí ðñüóèåôåò åêäüóåéò áðü ôïí êëÜäï RELENG_9.</para>

      <para>Ãéá ôçí þñá, ç ìáêñïðñüèåóìç áíÜðôõîç óõíå÷ßæåôáé óôïí
	êëÜäï 10.X-CURRENT.  ÍÝåò åêäüóåéò SNAPshot ôïõ 10.X óå
	CD-ROM (êáé öõóéêÜ óôï Äéáäßêôõï), äéáôßèåíôáé áðü ôïí
	ôïí <ulink
	  url="ftp://current.FreeBSD.org/pub/FreeBSD/snapshots/">snapshot
	  server</ulink> êáèþò óõíå÷ßæåôáé ç áíÜðôõîç.</para>
    </sect2>

    <sect2 id="goals">
      <sect2info>
	<authorgroup>
	  <author>
	    <firstname>Jordan</firstname>
	    <surname>Hubbard</surname>
	    <contrib>ÓõíåéóöïñÜ ôïõ </contrib>
	  </author>
	</authorgroup>
      </sect2info>

      <title>Óôü÷ïé ôïõ &os;&nbsp;Project</title>

      <indexterm>
	<primary>FreeBSD Project</primary>
	<secondary>goals</secondary>
      </indexterm>
      <para>Ïé óôü÷ïé ôïõ &os;&nbsp;Project åßíáé íá ðáñÝ÷åé ëïãéóìéêü ðïõ
	èá ìðïñåß íá ÷ñçóéìïðïéçèåß ãéá ïðïéáäÞðïôå ðåñßóôáóç êáé äß÷ùò
	äåóìåýóåéò.  Ðïëëïß áðü ìáò Ý÷ïõí êÜíåé óçìáíôéêÞ åðÝíäõóç óôïí
	êþäéêá (êáé ôï project) êáé óßãïõñá äå èá ìáò ðåßñáæå ðüôå-ðüôå ìéá
	ìéêñÞ ïéêïíïìéêÞ óõíåéóöïñÜ, áëëÜ óßãïõñá äåí åßìáóôå Ýôïéìïé íá
	åðéìåßíïõìå óå áõôü.  Ðéóôåýïõìå üôé ç ðñùôáñ÷éêÞ êáé óðïõäáéüôåñç
	<quote>áðïóôïëÞ</quote> ìáò åßíáé íá ðáñÝ÷ïõìå êþäéêá óå õðÜñ÷ïíôåò
	êáé ìåëëïíôéêïýò ÷ñÞóôåò, êáé ãéá ïðïéïäÞðïôå óêïðü, þóôå ï êþäéêáò
	ìáò íá Ý÷åé ôçí åõñýôåñç ðéèáíÞ ÷ñÞóç êáé íá áðïöÝñåé ôï ìåãáëýôåñï
	äõíáôü üöåëïò.  Áõôü åßíáé, ðéóôåýù, Ýíáò áðü ôïõò óçìáíôéêüôåñïõò
	óôü÷ïõò ôïõ Åëåýèåñïõ Ëïãéóìéêïý êáé Ýíáò áðü ôïõò ïðïßïõò
	õðïóôçñßæïõìå ìå åíèïõóéáóìü.</para>

      <indexterm>
	<primary>GNU General Public License (GPL)</primary>
      </indexterm>
      <indexterm>
	<primary>GNU Lesser General Public License (LGPL)</primary>
      </indexterm>
      <indexterm><primary>BSD Copyright</primary></indexterm>
      <para>Ôï ôìÞìá ôïõ ðçãáßïõ ìáò êþäéêá ðïõ âñßóêåôáé õðü ôçí GNU
	General Public License (GPL) Þ ôçí Library General Public License
	(LGPL) Ý÷åé êÜðùò ðåñéóóüôåñåò äåóìåýóåéò, áí êáé óêïðüò ôïõò
	åßíáé ìÜëëïí íá äéáóöáëßóïõí ôçí åëåýèåñç äéÜèåóç ôïõ êþäéêá, ðáñÜ ôï
	áíôßèåôï.  Ëüãù ôùí åðéðñüóèåôùí åðéðëïêþí ðïõ èÝôåé ç Üäåéá ÷ñÞóçò
	GPL óôçí åìðïñéêÞ ÷ñÞóç ôïõ ëïãéóìéêïý, ðñïôéìïýìå, üóï åßíáé åöéêôü,
	íá ðáñÝ÷ïõìå ôï ëïãéóìéêü ìáò õðü ôï ÷áëáñüôåñï BSD copyright.</para>
    </sect2>

    <sect2 id="development">
      <sect2info>
	<authorgroup>
	  <author>
	    <firstname>Satoshi</firstname>
	    <surname>Asami</surname>
	    <contrib>ÓõíåéóöïñÜ ôïõ </contrib>
	  </author>
	</authorgroup>
      </sect2info>

      <title>Ôï ÌïíôÝëï ÁíÜðôõîçò ôïõ &os;</title>

      <indexterm>
	<primary>FreeBSD Project</primary>
	<secondary>ìïíôÝëï áíÜðôõîçò</secondary>
      </indexterm>
      <para>Ç áíÜðôõîç ôïõ &os; åßíáé ìßá ðïëý áíïéêôÞ êáé åõÝëéêôç
	äéáäéêáóßá, áöïý êõñéïëåêôéêÜ âáóßæåôáé óôçí óõíåéóöïñÜ
	åêáôïíôÜäùí áíèñþðùí áðü üëï ôïí êüóìï, üðùò ìðïñåßôå íá äåßôå áðü
	ôçí <ulink
	  url="&url.articles.contributors;/article.html">ëßóôá ôùí
	  óõíåñãáôþí</ulink> ìáò.  Ç õðïäïìÞ áíÜðôõîçò ôïõ &os; åðéôñÝðåé
	óôá åêáôïíôÜäåò ìÝëç ôçò ïìÜäáò áíÜðôõîçò íá óõíåñãÜæïíôáé ìÝóù ôïõ
	ºíôåñíåô.  Åßìáóôå óôáèåñÜ óå áíáæÞôçóç ãéá íÝá ìÝëç óôçí ïìÜäá
	áíÜðôõîçò êáé ãéá éäÝåò, êáé üóïé åíäéáöÝñïíôáé íá áó÷ïëçèïýí áêüìç
	ðåñéóóüôåñï ìå ôï project ÷ñåéÜæåôáé áðëÜ íá åðéêïéíùíÞóïõí ìáæß ìáò
	óôçí &a.hackers;.  Åðßóçò ç &a.announce; åßíáé äéáèÝóéìç óå üóïõò
	åðéèõìïýí íá åíçìåñþóïõí Üëëïõò ÷ñÞóôåò ôïõ &os; ãéá êýñéïõò
	ôïìåßò åñãáóßáò ó÷åôéêÜ ìå ôï Project.</para>

      <para>×ñÞóéìá ðñÜãìáôá ðïõ ðñÝðåé íá ãíùñßæåôå ãéá ôï &os;&nbsp;Project
	êáé ôçí äéáäéêáóßá áíÜðôõîçò ôïõ, åßôå äïõëåýåôå áíåîÜñôçôá åßôå ùò
	óôåíïß óõíåñãÜôåò:</para>

      <variablelist>
	<varlistentry>
	  <term>Ôá SVN êáé CVS repositories<anchor
	      id="development-cvs-repository"/></term>

	  <listitem>
	  <indexterm>
	    <primary>CVS</primary>
	    <secondary>repository</secondary>
	  </indexterm>
	  <indexterm>
	    <primary>Concurrent Versions System</primary>
	    <see>CVS</see>
	  </indexterm>
	  <indexterm>
	    <primary>SVN</primary>
	    <secondary>repository</secondary>
	  </indexterm>
	  <indexterm>
	    <primary>Subversion</primary>
	    <see>SVN</see>
	  </indexterm>
	    <para>Ãéá ðïëëÜ ÷ñüíéá, ï êåíôñéêüò êïñìüò êþäéêá ôïõ &os;
	      óõíôçñïýíôáí ìÝóù ôïõ <ulink
		url="http://ximbiot.com/cvs/wiki/">CVS</ulink>
	      (Concurrent Versions System), åíüò åëåýèåñá äéáèÝóéìïõ
	      åñãáëåßïõ åëÝã÷ïõ ðçãáßïõ êþäéêá ðïõ ðñïóöÝñåôáé åíóùìáôùìÝíï
	      óôï &os;.  Ôïí Éïýíéï ôïõ 2008, ôï Project áðïöÜóéóå ôç
	      ìåôÜâáóç óôï <ulink
		url="http://subversion.tigris.org">SVN</ulink> (Subversion).
	      Ç áëëáãÞ êñßèçêå áíáãêáßá, êáèþò ïé ôå÷íéêïß ðåñéïñéóìïß ôïõ
	      <application>CVS</application> Þôáí ðëÝïí åìöáíåßò, åîáéôßáò
	      ôïõ ìåãÝèïõò ôïõ áðïèçêåõìÝíïõ êþäéêá êáé ôïõ éóôïñéêïý ðïõ
	      ôïí óõíïäåýåé. Ç Ôåêìçñßùóç êáé ç ÓõëëïãÞ ôùí Ports
	      ìåôáöÝñèçêáí åðßóçò áðü ôï <application>CVS</application> óôï
	      <application>SVN</application> ôï ÌÜéï êáé Éïýëéï ôïõ 2012
              áíôßóôïé÷á.
	      ÐáñÜ ôçí ìåôáöïñÜ ôùí <literal>src</literal> êáé
	      <literal>ports</literal>
	      óôï <application>SVN</application>, ôá åñãáëåßá ÷ñÞóôç üðùò ôï
	      <application>csup</application> ôá ïðïßá åîáñôþíôáé áðü ôç
	      ëåéôïõñãßá ôïõ ðáëáéüôåñïõ óõóôÞìáôïò
	      <application>CVS</application>, óõíå÷ßæïõí íá ëåéôïõñãïýí
	      êáíïíéêÜ.  Áõôü åîáóöáëßæåôáé ìå óõã÷ñïíéóìü ôùí áëëáãþí ôïõ
	      <application>SVN</application> óôï õðÜñ÷ïí
	      <application>CVS</application>.  Óå áíôßèåóç ìå ôá äÝíôñá
	      <literal>src</literal> êáé <literal>ports</literal>, ôï
	      <application>SVN</application> repository ôçò ôåêìçñßùóçò äåí
	      óõã÷ñïíßæåôáé ìå ôï ðáëéü <application>CVS</application>.</para>

	    <para>Ôï êýñéï <ulink
		url="http://www.FreeBSD.org/cgi/cvsweb.cgi">repository</ulink>
	      âñßóêåôáé óå Ýíá ìç÷Üíçìá óôçí Santa Clara CA, USA áðü üðïõ
	      áíôéãñÜöåôáé óå ìåãÜëï áñéèìü ìç÷áíþí mirror óå üëï ôïí êüóìï.
	      Ï êïñìüò <application>SVN</application>, ï ïðïßïò ðåñéÝ÷åé ôïõò
	      êëÜäïõò <link
		linkend="current">-CURRENT</link> êáé <link
		linkend="stable">-STABLE</link>,
	      ìðïñåß åðßóçò åýêïëá íá áíôéãñáöåß êáé óôo äéêü óáò õðïëïãéóôÞ.
	      Ðåñéóóüôåñåò ðëçñïöïñßåò ãéá áõôü ôï èÝìá ìðïñåßôå íá âñåßôå
	      óôçí åíüôçôá <link linkend="synching">Óõã÷ñïíßæïíôáò ôïí Ðçãáßï
	      óáò Êþäéêá</link>.</para>
	  </listitem>
	</varlistentry>

	<varlistentry>
	  <term>Ç ëßóôá ôùí committers<anchor
	    id="development-committers"/></term>
	  <listitem>
	    <indexterm><primary>committers</primary></indexterm>

	    <para>Ïé <firstterm>committers</firstterm>
	      åßíáé Üôïìá ðïõ Ý÷ïõí Üäåéá
	      <emphasis>åããñáöÞò (write)</emphasis> óôïí êïñìü ôïõ CVS, êáé
	      åßíáé åîïõóéïäïôçìÝíïé íá êÜíïõí ìåôáôñïðÝò óôïí êþäéêá ôïõ
	      &os; (ï üñïò <quote>committer</quote>
	      ðñïÝñ÷åôáé áðü ôçí åíôïëÞ &man.cvs.1;
	      <command>commit</command>, ç ïðïßá ÷ñçóéìïðïéåßôáé ãéá íá
	      ãßíïõí íÝåò áëëáãÝò óôï CVS repository).  Ï êáëýôåñïò ôñüðïò
	      ãéá íá ôåèïýí áëëáãÝò ðñïò áíáèåþñçóç åê ìÝñïõò ôçò ëßóôáò ôùí
	      committers åßíáé íá ÷ñçóéìïðïéåßôáé ç åíôïëÞ &man.send-pr.1;.
	      ÅÜí ôï ðáñáðÜíù óýóôçìá öáßíåôáé ìðëïêáñéóìÝíï, ìðïñåßôå íá
	      ôïõò ðñïóåããßóåôå óôÝëíïíôáò email óôçí &a.committers;.</para>
	  </listitem>
	</varlistentry>

	<varlistentry>
	  <term>The FreeBSD core team<anchor id="development-core"/></term>

	  <listitem>
	    <indexterm><primary>core team</primary></indexterm>

	    <para>Ç <firstterm>&os; core team</firstterm> èá Þôáí éóïäýíáìç
	      ìå ôï äéïéêçôéêü óõìâïýëéï áí ôï &os;&nbsp;Project Þôáí ìéá
	      áíþíõìç åôáéñåßá.  Ï ðñùôáñ÷éêüò óôü÷ïò ôçò core team åßíáé íá
	      åîáóöáëßóåé üôé ôï project, óôï óýíïëï ôïõ, åßíáé óå êáëÞ
	      êáôÜóôáóç êáé íá ôï ïäçãåß ðñïò ôçí óùóôÞ êáôåýèõíóç.  Ìéá áðü
	      ôéò ëåéôïõñãßåò ôçò core team åßíáé íá ðñïóêáëåß áöïóéùìÝíïõò
	      êáé õðåýèõíïõò developers íá óõììåôÝ÷ïõí óôçí ïìÜäá áíÜðôõîçò
	      (ôïõò committers) êáèþò êáé íá âñßóêåé íÝá ìÝëç ãéá ôçí ßäéá
	      ôçí core team êáèþò êÜðïéïé áðï÷ùñïýí.  Ç ðáñïýóá core team
	      åêëÝ÷ôçêå áðü Ýíá óýíïëï õðïøçößùí committers ôïí Éïýëéï ôïõ
	      2012.  ÅêëïãÝò äéåîÜãïíôáé êÜèå 2 ÷ñüíéá.</para>

	    <para>ÌåñéêÜ ìÝëç ôçò core team Ý÷ïõí åðßóçò åéäéêïýò ôïìåßò
	      åõèýíçò, êáé áõôü óçìáßíåé ðùò äåóìåýïíôáé íá åîáóöáëßóïõí üôé
	      Ýíá ìåãÜëï ìÝñïò ôïõ óõóôÞìáôïò ëåéôïõñãåß üðùò ðñÝðåé.  Ãéá
	      ïëïêëçñùìÝíç ëßóôá ôçò ïìÜäáò áíÜðôõîçò ôïõ &os; êáé ôùí ôïìÝùí
	      åõèýíçò ôïõò, ðáñáêáëïýìå äåßôå ôçí <ulink
		url="&url.articles.contributors;/article.html">Ëßóôá ôùí
		Óõíåñãáôþí ìáò</ulink>.</para>

	    <note>
	      <para>Ôá ðåñéóóüôåñá ìÝëç ôïõ core team åßíáé åèåëïíôÝò üóïí
		áöïñÜ ôçí áíÜðôõîç ôïõ &os; êáé äåí Ý÷ïõí ïéêïíïìéêÞò öýóåùò
		ïöÝëç áðü ôï project, åðïìÝíùò ç <quote>äÝóìåõóç</quote> äåí
		èá ðñÝðåé íá ðáñåñìçíåýåôáé ùò
		<quote>åããõçìÝíç õðïóôÞñéîç</quote>.  Ç ðáñáðÜíù ðáñïìïßùóç
		ìå ôï <quote>äéïéêçôéêü óõìâïýëéï</quote> äåí åßíáé ðïëý
		áêñéâÞò, ßóùò åßíáé êáôáëëçëüôåñï íá ðïýìå üôé ðñüêåéôáé
		ãéá áíèñþðïõò ðïõ èõóßáóáí ôéò æùÝò ôïõò ãéá ÷Üñç ôïõ &os;
		åíÜíôéá óôçí êáëýôåñç ôïõò êñßóç!</para>
	    </note>
	  </listitem>
	</varlistentry>

	<varlistentry>
	  <term>Åîùôåñéêïß óõíåñãÜôåò</term>

	  <listitem>
	    <indexterm><primary>óõíåñãÜôåò</primary></indexterm>
	    <indexterm><primary>contributors</primary></indexterm>

	    <para>ÔÝëïò, áëëÜ ïðùóäÞðïôå ü÷é ìéêñüôåñçò óçìáóßáò, ç
	      ìåãáëýôåñç ïìÜäá áíÜðôõîçò åßíáé ïé ßäéïé ïé ÷ñÞóôåò ðïõ ìáò
	      ðáñÝ÷ïõí ó÷üëéá êáé äéïñèþóåéò ôùí bug óå ó÷åäüí óôáèåñÞ âÜóç.
	      Ï êýñéïò ôñüðïò ãéá íá êñáôÜôå åðáöÞ ìå ôçí ìç-óõãêåíôñùôéêÞ
	      ïìÜäá áíÜðôõîçò ôïõ &os; åßíáé íá ãßíåôå óõíäñïìçôÝò óôçí
	      &a.hackers; üðïõ ãßíïíôáé ïé áíÜëïãåò óõæçôÞóåéò.  Äåßôå ôï
	      <xref linkend="eresources"/> ãéá ðåñéóóüôåñåò ðëçñïöïñßåò
	      ó÷åôéêÜ ìå ôéò äéÜöïñåò ëßóôåò çëåêôñïíéêïý ôá÷õäñïìåßïõ ôïõ
	      &os;.</para>

	    <para><citetitle><ulink
		url="&url.articles.contributors;/article.html">Ç
		Ëßóôá Óõíåñãáôþí ôïõ &os;</ulink></citetitle> åßíáé ìåãÜëç
	      êáé óõíå÷þò áõîáíüìåíç, åðïìÝíùò ãéáôß íá ìçí ãßíåôå êáé åóåßò
	      ìÝëïò ôçò êáé íá óõìâÜëëåôå óÞìåñá óå êÜôé óôï &os;;</para>

	    <para>Ç ðáñï÷Þ êþäéêá äåí åßíáé ï ìüíïò ôñüðïò ãéá íá
	      óõíåéóöÝñåôå óôï project.  Ãéá ìéá ïëïêëçñùìÝíç ëßóôá ôùí
	      ðñáãìÜôùí óôá ïðïßá ÷ñåéáæüìáóôå âïÞèåéá, ðáñáêáëïýìå
	      åðéóêåöèåßôå ôçí <ulink url="&url.base;/index.html">ÄéêôõáêÞ
	      ôïðïèåóßá ôïõ &os;&nbsp;Project</ulink>.</para>
	  </listitem>
	</varlistentry>
      </variablelist>

      <para>Óõíïøßæïíôáò, ôï ìïíôÝëï áíÜðôõîçò ìáò åßíáé ïñãáíùìÝíï óáí Ýíá
	÷áëáñü óýíïëï ïìüêåíôñùí êýêëùí.  Ôï óõãêåíôñùôéêü ìïíôÝëï åßíáé
	ó÷åäéáóìÝíï ãéá íá äéåõêïëýíåé ôïõò <emphasis>÷ñÞóôåò</emphasis> ôïõ
	&os;, óôïõò ïðïßïõò ðáñÝ÷åôáé Ýôóé Ýíáò åýêïëïò ôñüðïò ðáñáêïëïýèçóçò
	ôïõ âáóéêïý êþäéêá, êáé ü÷é ãéá íá áðïêëåßïõìå ðéèáíïýò óõíåñãÜôåò!
	Åðéèõìßá ìáò åßíáé íá ðáñïõóéÜóïõìå Ýíá óôáèåñü ëåéôïõñãéêü óýóôçìá
	óå óõíÜñôçóç ìå ìéá ìåãÜëç ãêÜìá áðü
	<link linkend="ports">ðñïãñÜììáôá åöáñìïãþí</link> ðïõ ïé ÷ñÞóôåò íá
	ìðïñïýí åýêïëá íá åãêáèéóôïýí êáé íá ÷ñçóéìïðïéïýí &mdash; ãéá ôçí
	åêðëÞñùóç áõôþí ôùí óôü÷ùí, ôï ìïíôÝëï áõôü äïõëåýåé ðïëý êáëÜ.</para>

      <para>Ôï ìüíï ðïõ æçôÜìå áðü üóïõò åíäéáöÝñïíôáé íá åíùèïýí ìáæß ìáò
	óôçí ïìÜäá áíÜðôõîçò ôïõ &os;, åßíáé ëßãç áðü ôçí ßäéá áöïóßùóç ôçò
	ôùñéíÞò ïìÜäáò, ãéá ìéá óõíå÷Þ ðïñåßá óôçí åðéôõ÷ßá ôïõ!</para>
    </sect2>

    <sect2 id="relnotes">
      <title>Ç ÔñÝ÷ïõóá ¸êäïóç ôïõ &os;</title>

      <indexterm><primary>NetBSD</primary></indexterm>
      <indexterm><primary>OpenBSD</primary></indexterm>
      <indexterm><primary>386BSD</primary></indexterm>
      <indexterm><primary>Free Software Foundation</primary></indexterm>
      <indexterm><primary>U.C. Berkeley</primary></indexterm>
      <indexterm>
	<primary>Computer Systems Research Group (CSRG)</primary>
      </indexterm>
      <para>Ôï &os; åßíáé åëåýèåñá äéáèÝóéìï, âáóßæåôáé ïëüêëçñï óôïí ðçãáßï
	êþäéêá ôïõ 4.4BSD-Lite, êáé áíáðôýóóåôáé ãéá óõóôÞìáôá çëåêôñïíéêþí
	õðïëïãéóôþí âáóéóìÝíá óå åðåîåñãáóôÝò Intel &i386;, &i486;,
	&pentium;, &pentium;&nbsp;Pro, &celeron;, &pentium;&nbsp;II,
	&pentium;&nbsp;III, &pentium;&nbsp;4 (Þ óõìâáôïýò), &xeon;,
	êáé Sun &ultrasparc;.
	Âáóßæåôáé êõñßùò óôï software ôçò ïìÜäáò U.C. Berkeley CSRG, ìå
	êÜðïéåò âåëôéþóåéò ðïõ ðñïÝñ÷ïíôáé áðü ôá NetBSD, OpenBSD, 386BSD,
	êáé ôï Free Software Foundation.</para>

      <para>Áðü ôçí Ýêäïóç ôïõ &os;&nbsp;2.0 óôá ôÝëç ôïõ 1994, ç áðüäïóç,
	ôï óýíïëï ôùí ÷áñáêôçñéóôéêþí, êáé ç óôáèåñüôçôá ôïõ &os; Ý÷åé
	âåëôéùèåß óçìáíôéêÜ.
	<!-- XXX ôï õðüëïéðï áõôÞò ôçò ðáñáãñÜöïõ åßíáé áêüìç áëçèéíü ? -->
	Ç ìåãáëýôåñç áëëáãÞ åßíáé ç åðáíáó÷åäßáóç ôïõ óõóôÞìáôïò åéêïíéêÞò
	ìíÞìçò (virtual memory) ìå Ýíá ïëïêëçñùìÝíï VM/file buffer cache ôï
	ïðïßï ü÷é ìüíï áõîÜíåé ôçí áðüäïóç, áëëÜ åðßóçò ìåéþíåé ôéò
	áðáéôÞóåéò ìíÞìçò ôïõ &os;, åðéôñÝðïíôáò ùò åëÜ÷éóôï áðïäåêôü üñéï
	ôá 5&nbsp;MB.  ÐåñéÝ÷ïíôáé åðßóçò êáé Üëëåò âåëôéþóåéò, üðùò ðëÞñçò
	õðïóôÞñéîç ðåëÜôç êáé åîõðçñåôçôÞ NIS, õðïóôÞñéîç óõíáëëáãþí TCP,
	dial-on-demand PPP, åíóùìáôùìÝíç õðïóôÞñéîç DHCP, Ýíá âåëôéùìÝíï
	õðïóýóôçìá SCSI, õðïóôÞñéîç ISDN, õðïóôÞñéîç ãéá ATM, FDDI,
	ðñïóáñìïãåßò äéêôýïõ Fast êáé Gigabit Ethernet (1000&nbsp;Mbit),
	âåëôéùìÝíç õðïóôÞñéîç ãéá ôïõò ôåëåõôáßïõò åëåãêôÝò ôçò Adaptec êáé
	ðïëëÝò ÷éëéÜäåò äéïñèþóåéò ëáèþí (bug).</para>

      <para>Åêôüò áðü ôç âáóéêÞ ôïõ äéáíïìÞ, ôï &os; ðñïóöÝñåé ìéá óõëëïãÞ
	ëïãéóìéêïý ìå ÷éëéÜäåò ðñïãñÜììáôá ãéá êáèçìåñéíÞ ÷ñÞóç.  Ôçí óôéãìÞ
	ðïõ ãñÜöïíôáé áõôÝò ïé ãñáììÝò, õðÜñ÷ïõí ðÜíù áðü &os.numports;
	ports!  Ç ëßóôá ôùí ports îåêéíÜåé áðü åîõðçñåôçôÝò http (WWW),
	ìÝ÷ñé ðáé÷íßäéá, ãëþóóåò ðñïãñáììáôéóìïý, êåéìåíïãñÜöïõò,
	êáé ïôéäÞðïôå Üëëï åíäéÜìåóá.  Ç óõíïëéêÞ ÓõëëïãÞ ôùí Ports áðáéôåß
	ðñïóåããéóôéêÜ &ports.size; áðïèçêåõôéêü ÷þñï, áöïý üëá ôá ports
	åêöñÜæïíôáé ìå <quote>deltas</quote> (áñ÷åßá äéáöïñþí) ôùí áõèåíôéêþí
	ðçãþí ôïõò.  Ôï ãåãïíüò áõôü ìáò åðéôñÝðåé íá áíáâáèìßóïõìå ôá ports
	ðïëý åõêïëüôåñá, êáé ìåéþíåé äñáóôéêÜ ôéò áðáéôÞóåéò óå óêëçñü äßóêï
	óå ó÷Ýóç ìå ôçí ðáëáéüôåñç ÓõëëïãÞ Ports 1.0.  Ãéá íá ìåôáãëùôôéóôåß
	(compile) Ýíá port, ÷ñåéÜæåôáé áðëþò íá ìåôáâåßôå óôïí êáôÜëïãï ôïõ
	ðñïãñÜììáôïò ðïõ åðéèõìåßôå íá åãêáôáóôÞóåôå, íá ðëçêôñïëïãÞóåôå
	<command>make install</command>, êáé íá áöÞóåôå ôï óýóôçìá óáò íá
	êÜíåé ôá õðüëïéðá.  Ïëüêëçñç ç áõèåíôéêÞ äéáíïìÞ ãéá êÜèå port ðïõ
	êÜíåôå build ðáñÝ÷åôáé äõíáìéêÜ áðü ôï CD-ROM Þ áðü ìßá ôïðéêÞ
	ôïðïèåóßá FTP, Ýôóé ôá ports ðïõ äåí ÷ñåéÜæåóôå äåí êáôáëáìâÜíïõí
	Üóêïðï ÷þñï óôï óêëçñü óáò äßóêï.  Ó÷åäüí êÜèå port ðáñÝ÷åôáé åðßóçò
	êáé óáí ðñï-ìåôáãëùôôéóìÝíï (pre-compiled)
	<quote>ðáêÝôï (package)</quote>, ôï ïðïßï ìðïñåß íá åãêáôáóôáèåß ìå
	ìéá áðëÞ åíôïëÞ (<command>pkg_add</command>) ãéá åêåßíïõò ðïõ äåí
	åðéèõìïýí íá ìåôáãëùôôßæïõí ôá ports ôïõò áðü ôïí ðçãáßï êþäéêá.
	Ðåñéóóüôåñåò ðëçñïöïñßåò ãéá ôá packages êáé ôá ports ìðïñåßôå íá
	âñåßôå óôï <xref linkend="ports"/>.</para>

      <para>ÕðÜñ÷åé áñêåôÜ ìåãÜëç åðéðëÝïí ôåêìçñßùóç ôçí ïðïßá ìðïñåß íá
	âñåßôå ðïëý ÷ñÞóéìç ãéá ôçí äéáäéêáóßá åãêáôÜóôáóçò êáé ÷ñÞóçò ôïõ
	&os;.  Ìðïñåßôå íá ôçí âñåßôå åãêáôåóôçìÝíç óôïí êáôÜëïãï
	<filename>/usr/share/doc</filename> óå ïðïéïäÞðïôå óýã÷ñïíï ìç÷Üíçìá
	&os;.  Ôá ôïðéêÜ åãêáôåóôçìÝíá åã÷åéñßäéá ìðïñåßôå íá ôá äåßôå óå
	ìïñöÞ HTML, ÷ñçóéìïðïéþíôáò ïðïéïäÞðïôå êáôÜëëçëï browser óôéò
	áêüëïõèåò URL:</para>

      <variablelist>
	<varlistentry>
	  <term>Ôï Åã÷åéñßäéï ×ñÞóçò ôïõ &os;</term>

	  <listitem>
	    <para><ulink type="html"
		url="file://localhost/usr/share/doc/handbook/index.html"><filename>/usr/share/doc/handbook/index.html</filename></ulink></para>
	  </listitem>
	</varlistentry>

	<varlistentry>
	  <term>Óõ÷íÝò åñùôÞóåéò ôïõ &os; (FAQ)</term>

	  <listitem>
	    <para><ulink type="html"
		url="file://localhost/usr/share/doc/faq/index.html"><filename>/usr/share/doc/faq/index.html</filename></ulink></para>
	  </listitem>
	</varlistentry>
      </variablelist>

      <para>Ìðïñåßôå åðßóçò íá äåßôå ôá ðñùôüôõðá (êáé óõ÷íÜ áíáâáèìéæüìåíá)
	áíôßãñáöá óôï <ulink url="http://www.FreeBSD.org/"></ulink>.</para>
    </sect2>
  </sect1>
</chapter>