Yes, this is it. Does this apply to the older versions ? I'd have to check it out. Thank you for all of your replies. ________________________________ De la: Jonathan S Billings <jsbillin@xxxxxxxxx> Către: redhat-list@xxxxxxxxxx Trimis: Vineri, 4 Noiembrie 2011 13:29:56 Subiect: Re: Răspuns: chmod behaviour On 11/04/2011 03:27 AM, RuceLee wrote: > [root@core2duo ~]# chmod 0755 my_directory/ #set perm in octal mode > [root@core2duo ~]# ll -d my_directory/ #no effect on SGIT bit > drwxr-sr-x 2 root root 4096 Nov 4 08:16 my_directory/ > > [root@core2duo ~]# chmod g-s my_directory/ #set perm in symbolic mode > [root@core2duo ~]# ll -d my_directory/ #get back to the execution bit > drwxr-xr-x 2 root root 4096 Nov 4 08:16 my_directory/ > > I'm confused cuz up until now I assumed the octal and symbolic mode > are interchangeable and here is an example where I rather have to use a > single mode to get to expected result. The documentation from coreutils: https://www.gnu.org/s/coreutils/manual/html_node/Directory-Setuid-and-Setgid.html#Directory-Setuid-and-Setgid Basically, you can't use the numeric modes to clear a directory's set-user-id and set-group-id bits. You have to use the symbolic mode to clear them. The RHEL6 man page for 'chmod' actually mentions this in the "SETUID AND SETGID BITS" section: chmod preserves a directory’s set-user-ID and set-group-ID bits unless you explicitly specify otherwise. You can set or clear the bits with symbolic modes like u+s and g-s, and you can set (but not clear) the bits with a numeric mode. -- Jonathan Billings <jsbillin@xxxxxxxxx> College of Engineering - CAEN - Unix and Linux Support -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
