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+The following are demonstrations of the whatexec.d script.
+
+
+Here we run it while a few commands are also executed,
+
+ # ./whatexec.d
+ PEXEC EXEC OK TYPE
+ bash /usr/bin/clear Y #!/u\0
+ bash /sbin/sh Y \177ELF\0
+ clear /usr/bin/tput Y \177ELF\0
+ bash /export/home/brendan/DOOM.EXE N MZ\644\0
+ ^C
+
+whatexec.d has first found that "clear" was run, which has a type that
+begins with "#!" - a script. clear runs "sh" and "tput", both ELF files.
+
+We finish by attempting to run a MZ file, "DOOM.EXE", which is rejected
+(OK is "N").