Chmod documentation

[Jason Stokes]

In the man page for chmod, the attributes chmod manipulates are
documented thus:

The letters `rwxXstugo' select the new permissions for the
       affected users: read (r), write (w),  execute  (or  access
       for directories) (x), execute only if the file is a direc­
       tory or already has execute permission for some user  (X),
       set  user  or group ID on execution (s), save program text
       on swap device (t),

As you doubtless know, the "t" attribute is historical.  On most modern
Unix systems it has no meaning for files and is ignored.  On the other
hand, the "sticky bit's" special meaning for directories is not
mentioned here.  I think mentioning these two things would improve the
documentation. 

Regards,
Jason Stokes: address@hidden
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birgrave:bash</exports/samples># l enigma/
total 37576
drwxrwxr-x    2 root     cracks       4096 Dec 20  1999 ./
drwxrwxr-x   11 root     cracks       4096 Sep 29 10:44 ../
-rw-rw-r--    1 timj     cracks    1642788 Jun 19  1999 
01-LeRoiEstMort-ViveLeRoi.mp3
-rw-rw-r--    1 root     cracks    4870217 Jun 19  1999 02-MorphingThruTime.mp3
-rw-rw-r--    1 timj     cracks     307617 Jun 19  1999 03-ThirdOfItsKind.mp3
-rw-rw-r--    1 timj     cracks    4201325 Jun 19  1999 
04-BeyondTheInvisible.mp3
-rw-rw-r--    1 timj     cracks    4191817 Jun 19  1999 05-Why.mp3
-rw-rw-r--    1 timj     cracks    3657508 Jun 19  1999 06-ShadowsInSilence.mp3
-rw-rw-r--    1 timj     cracks    4285440 Jun 19  1999 07-TheChildInUs.mp3
-rw-rw-r--    1 timj     cracks    3725531 Jun 19  1999 08-TNTForTheBrain.mp3
-rw-rw-r--    1 timj     cracks    2888045 Jun 19  1999 09-AlmostFullMoon.mp3
-rw-rw-r--    1 timj     cracks    3059565 Jun 19  1999 10-TheRoundabout.mp3
-rw-rw-r--    1 timj     cracks    4132937 Jun 19  1999 11-PrismOfLife.mp3
-rw-rw-r--    1 timj     cracks    1412388 Jun 19  1999 12-OdysseyOfTheWind.mp3
birgrave:bash</exports/samples># mv enigma/ ../music/mp3/enigma/invisible
mv: basename.c:67: base_name: Assertion `all_slashes || *(p - 1) != '/'' failed.
Aborted (core dumped)
birgrave:bash</exports/samples># l ../music/mp3/enigma/invisible
total 37504
drwxrwxr-x    2 root     cracks        480 Dec 20  1999 ./
drwxr-xr-x    3 root     root           60 Sep 29 10:45 ../
-rw-rw-r--    1 timj     cracks    1642788 Jun 19  1999 
01-LeRoiEstMort-ViveLeRoi.mp3
-rw-rw-r--    1 root     cracks    4870217 Jun 19  1999 02-MorphingThruTime.mp3
-rw-rw-r--    1 timj     cracks     307617 Jun 19  1999 03-ThirdOfItsKind.mp3
-rw-rw-r--    1 timj     cracks    4201325 Jun 19  1999 
04-BeyondTheInvisible.mp3
-rw-rw-r--    1 timj     cracks    4191817 Jun 19  1999 05-Why.mp3
-rw-rw-r--    1 timj     cracks    3657508 Jun 19  1999 06-ShadowsInSilence.mp3
-rw-rw-r--    1 timj     cracks    4285440 Jun 19  1999 07-TheChildInUs.mp3
-rw-rw-r--    1 timj     cracks    3725531 Jun 19  1999 08-TNTForTheBrain.mp3
-rw-rw-r--    1 timj     cracks    2888045 Jun 19  1999 09-AlmostFullMoon.mp3
-rw-rw-r--    1 timj     cracks    3059565 Jun 19  1999 10-TheRoundabout.mp3
-rw-rw-r--    1 timj     cracks    4132937 Jun 19  1999 11-PrismOfLife.mp3
-rw-rw-r--    1 timj     cracks    1412388 Jun 19  1999 12-OdysseyOfTheWind.mp3
birgrave:bash</exports/samples># l enigma/
total 37576
drwxrwxr-x    2 root     cracks       4096 Dec 20  1999 ./
drwxrwxr-x   11 root     cracks       4096 Sep 29 10:44 ../
-rw-rw-r--    1 timj     cracks    1642788 Jun 19  1999 
01-LeRoiEstMort-ViveLeRoi.mp3
-rw-rw-r--    1 root     cracks    4870217 Jun 19  1999 02-MorphingThruTime.mp3
-rw-rw-r--    1 timj     cracks     307617 Jun 19  1999 03-ThirdOfItsKind.mp3
-rw-rw-r--    1 timj     cracks    4201325 Jun 19  1999 
04-BeyondTheInvisible.mp3
-rw-rw-r--    1 timj     cracks    4191817 Jun 19  1999 05-Why.mp3
-rw-rw-r--    1 timj     cracks    3657508 Jun 19  1999 06-ShadowsInSilence.mp3
-rw-rw-r--    1 timj     cracks    4285440 Jun 19  1999 07-TheChildInUs.mp3
-rw-rw-r--    1 timj     cracks    3725531 Jun 19  1999 08-TNTForTheBrain.mp3
-rw-rw-r--    1 timj     cracks    2888045 Jun 19  1999 09-AlmostFullMoon.mp3
-rw-rw-r--    1 timj     cracks    3059565 Jun 19  1999 10-TheRoundabout.mp3
-rw-rw-r--    1 timj     cracks    4132937 Jun 19  1999 11-PrismOfLife.mp3
-rw-rw-r--    1 timj     cracks    1412388 Jun 19  1999 12-OdysseyOfTheWind.mp3
birgrave:bash</exports/samples># mv --version
mv (GNU fileutils) 4.0x
Written by Mike Parker, David MacKenzie, and Jim Meyering.

Copyright (C) 2000 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

---
ciaoTJ