Nasty Security Hole?

[Guy Harris]

>Well, that depends which Unix you're running.  Ultrix sticky(8) reads:
>
>     A directory whose `sticky bit' is set becomes an append-only
>     directory, or, more accurately, a directory in which the
>     deletion of files is resrticted. ...
>Of course, that's just Ultrix....

Actually, it's 4.3BSD, and Ultrix, and SunOS 4.0 (and maybe some earlier
SunOS 3.x release), and possibly System V Release 3.2, and....