This is almost solved. Test case: [root at mail asdasd]# for i in `id jpyeron | perl -pe 's/,/\n/g'| perl -ne 'm/\((.+?)\)/g and print $1,"\n"'`; do mkdir -m 750 $i && chgrp $i $i; done [root at mail asdasd]# su jpyeron [jpyeron at mail asdasd]$ for i in *; do pushd $i; popd 2> /dev/null > /dev/null; done /home/asdasd/aepi /home/asdasd bash: pushd: ai: Permission denied /home/asdasd/apache /home/asdasd /home/asdasd/assistantchef /home/asdasd /home/asdasd/burtshare /home/asdasd bash: pushd: busdev: Permission denied /home/asdasd/c600312 /home/asdasd /home/asdasd/chinalane /home/asdasd /home/asdasd/cvs /home/asdasd /home/asdasd/dadweb /home/asdasd /home/asdasd/dante /home/asdasd /home/asdasd/ftp /home/asdasd bash: pushd: graffitiweb: Permission denied bash: pushd: inventory: Permission denied bash: pushd: jobs: Permission denied /home/asdasd/jpyeron /home/asdasd /home/asdasd/kingspizza /home/asdasd /home/asdasd/kingspizza2 /home/asdasd /home/asdasd/mkruger /home/asdasd bash: pushd: pdinc: Permission denied bash: pushd: projrejistor: Permission denied bash: pushd: rejistor: Permission denied /home/asdasd/share /home/asdasd bash: pushd: smime: Permission denied /home/asdasd/swindellweb /home/asdasd bash: pushd: upcup: Permission denied bash: pushd: urbana: Permission denied bash: pushd: vongartenstadt: Permission denied bash: pushd: votetech: Permission denied [jpyeron at mail asdasd]$ id uid=500(jpyeron) gid=500(jpyeron) groups=500(jpyeron),48(apache),50(ftp),400(cvs),507(mkruger),531(assistantch e f),533(chinalane),537(c600312),539(dadweb),522(kingspizza),544(kingspizza2), 546(swindellweb),558(share),561(aep i),563(burtshare),568(dante),582(busdev),570(smime),574(urbana),578(ai),592( inventory),595(upcup),602(projrejis tor),603(votetech),604(rejistor),609(vongartenstadt),611(graffitiweb),617(pd inc),56736(jobs) busdev is the 17th group. 14 aepi 20 ai 2 apache 6 assistantchef 15 burtshare 17 busdev 8 c600312 7 chinalane 4 cvs 9 dadweb 16 dante 3 ftp 27 graffitiweb 21 inventory 29 jobs 1 jpyeron 10 kingspizza 11 kingspizza2 5 mkruger 28 pdinc 23 projrejistor 25 rejistor 13 share 18 smime 12 swindellweb 22 upcup 19 urbana 26 vongartenstadt 24 votetech But if we try on a non nfs mounted dir like /tmp all is fine either way. [jpyeron at mail sadfsdaf]$ for i in *; do pushd $i; popd 2> /dev/null > /dev/null; done /tmp/sadfsdaf/aepi /tmp/sadfsdaf /tmp/sadfsdaf/ai /tmp/sadfsdaf /tmp/sadfsdaf/apache /tmp/sadfsdaf /tmp/sadfsdaf/assistantchef /tmp/sadfsdaf /tmp/sadfsdaf/burtshare /tmp/sadfsdaf /tmp/sadfsdaf/busdev /tmp/sadfsdaf /tmp/sadfsdaf/c600312 /tmp/sadfsdaf /tmp/sadfsdaf/chinalane /tmp/sadfsdaf /tmp/sadfsdaf/cvs /tmp/sadfsdaf /tmp/sadfsdaf/dadweb /tmp/sadfsdaf /tmp/sadfsdaf/dante /tmp/sadfsdaf /tmp/sadfsdaf/ftp /tmp/sadfsdaf /tmp/sadfsdaf/graffitiweb /tmp/sadfsdaf /tmp/sadfsdaf/inventory /tmp/sadfsdaf /tmp/sadfsdaf/jobs /tmp/sadfsdaf /tmp/sadfsdaf/jpyeron /tmp/sadfsdaf /tmp/sadfsdaf/kingspizza /tmp/sadfsdaf /tmp/sadfsdaf/kingspizza2 /tmp/sadfsdaf /tmp/sadfsdaf/mkruger /tmp/sadfsdaf /tmp/sadfsdaf/pdinc /tmp/sadfsdaf /tmp/sadfsdaf/projrejistor /tmp/sadfsdaf /tmp/sadfsdaf/rejistor /tmp/sadfsdaf /tmp/sadfsdaf/share /tmp/sadfsdaf /tmp/sadfsdaf/smime /tmp/sadfsdaf /tmp/sadfsdaf/swindellweb /tmp/sadfsdaf /tmp/sadfsdaf/upcup /tmp/sadfsdaf /tmp/sadfsdaf/urbana /tmp/sadfsdaf /tmp/sadfsdaf/vongartenstadt /tmp/sadfsdaf /tmp/sadfsdaf/votetech /tmp/sadfsdaf > -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at centos.org] On Behalf Of Jason Pyeron > Sent: Sunday, January 06, 2008 16:15 > To: 'CentOS mailing list' > Subject: [CentOS] I am confused. Chmod / chown issues? > > Where did I go wrong? > > [root at mail busdev]# stat . > File: `.' > Size: 4096 Blocks: 16 IO Block: 32768 Directory > Device: ah/10d Inode: 147591 Links: 5 > Access: (0750/drwxr-x---) Uid: (56755/ busdev) Gid: > (56755/ busdev) > Access: 2008-01-06 15:49:53.000000000 -0500 > Modify: 2008-01-06 15:49:15.000000000 -0500 > Change: 2008-01-06 15:59:59.000000000 -0500 > > [root at mail busdev]# grep ^jpyeron: /etc/group && grep > ^busdev: /etc/group > jpyeron:x:500: > busdev:x:56755:jpyeron > [root at mail busdev]# su jpyeron > [jpyeron at mail busdev]$ ls -al > ls: .: Permission denied > [jpyeron at mail busdev]$ exit > [root at mail busdev]# uname -r > 2.4.21-37.EL > [root at mail busdev]# > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Sr. Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, purge the message from your system and notify the sender immediately. Any other use of the email by you is prohibited.