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| author | Simon L. B. Nielsen <simon@FreeBSD.org> | 2004-01-20 16:15:19 +0000 |
|---|---|---|
| committer | Simon L. B. Nielsen <simon@FreeBSD.org> | 2004-01-20 16:15:19 +0000 |
| commit | a74ef0f25c0b6c6cbafba4ae4eb117680d91bef5 (patch) | |
| tree | 6fa7e45a0f3ac5c67ac8c5059124bede4a907e46 /en_US.ISO8859-1 | |
| parent | 2c1066716d5e59ec7864b6e7437033245c553b55 (diff) | |
| download | doc-a74ef0f25c0b6c6cbafba4ae4eb117680d91bef5.tar.gz doc-a74ef0f25c0b6c6cbafba4ae4eb117680d91bef5.zip | |
Note that 65535 it not the largest possible value for UID/GID, but
highest recommended value.
Discussed on: -doc
PR: docs/61625
Notes
Notes:
svn path=/head/; revision=19756
Diffstat (limited to 'en_US.ISO8859-1')
| -rw-r--r-- | en_US.ISO8859-1/books/handbook/users/chapter.sgml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/en_US.ISO8859-1/books/handbook/users/chapter.sgml b/en_US.ISO8859-1/books/handbook/users/chapter.sgml index 4b79539ec4..c5678c37ad 100644 --- a/en_US.ISO8859-1/books/handbook/users/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/users/chapter.sgml @@ -113,7 +113,12 @@ <term>User ID (UID)</term> <listitem> - <para>The UID is a number from 0 to 65535 used to uniquely identify + <para>The UID is a number, traditionally from 0 to 65535<footnote id="users-largeuidgid"> + <para>It is possible to use UID/GIDs as large as + 4294967295, but such IDs can cause serious problems + with software that makes assumptions about the values + of IDs.</para> + </footnote>, used to uniquely identify the user to the system. Internally, FreeBSD uses the UID to identify users—any FreeBSD commands that allow you to specify a user name will convert it to the UID before working with @@ -128,7 +133,7 @@ <term>Group ID (GID)</term> <listitem> - <para>The GID is a number from 0 to 65535 used to uniquely identify + <para>The GID is a number, traditionally from 0 to 65535<footnoteref linkend="users-largeuidgid">, used to uniquely identify the primary group that the user belongs to. Groups are a mechanism for controlling access to resources based on a user's GID rather than their UID. This can significantly reduce the size |