What does SUID, SGID and Sticky bits do on inappropriate files?

[Barry Shein]

From: djm at eng.umd.edu (David J. MacKenzie) [Responding to me]
>> Interestingly, on SunOS 4.x I can't even set the sticky bit on plain
>> or executable files (thinking it was the utilities ls and/or chmod
>> fighting with me I wrote a quick hack to do it thru chmod() and read
>> it back with stat(), no dice, never got set.) I was able to set the
>> sticky and setid bits on a device file though.
>
>Regular users can't, but the superuser can.

Whoops, you're absolutely right, I stand corrected. Most unix versions
restrict setting of the sticky bit to the super user for obvious
reasons (making texts sticky could impact system performance in global
ways.)
-- 
        -Barry Shein

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