I asked the people on the mailing list of our local LUG to test if chmod
changes ctime on non-GNU systems even when there is no difference beteen
the mode before and after the chmod.  From these few data, the trend
seems to be that ctime gets changed.

Here are the results thus far (identified by "uname -a"):


systems that change ctime:
--------------------------

AIX XXXXXXXX 3 4 000650834C00
SunOS XXXXXXXX 5.8 Generic_108528-29 sun4u sparc SUNW,UltraSPARC-IIi-cEngine
OpenBSD XXXXXXXX 4.1 GENERIC#187 i386


systems that do not change ctime:
---------------------------------

FreeBSD XXXXXXXX 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 
2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC i386

-- 
Erik Rossen                               OpenPGP key: 2935D0B9
[EMAIL PROTECTED]                          If you do not know what
http://people.linux-gull.ch/rossen        to do, start with RTFM.



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