# On NFS client (Solaris 10 - same applies to Linux clients)

paul@zardoz:~ $ ls -ld /homevip/paul/create_users/oper
drwxrwxr-x   9 paul     nilu        4096 feb 15 10:16 /homevip/paul/create_users/oper
paul@zardoz:~ $ chgrp emep /homevip/paul/create_users/oper
chgrp: /homevip/paul/create_users/oper: Not owner

# Locally on the NFS server

paul@ny-filur:~ $ id
uid=1300(paul) gid=100(nilu) groups=100(nilu),1077(emep),3000(satdata),27030(calval),32143(rima),36009(eusaar)
paul@ny-filur:~ $ groups
nilu emep satdata calval rima eusaar
paul@ny-filur:~ $ ls -ld /homevip/paul/create_users/oper
drwxrwxr-x 9 paul nilu 4096 2011-02-15 10:16 /homevip/paul/create_users/oper
paul@ny-filur:~ $ chgrp emep /homevip/paul/create_users/oper
paul@ny-filur:~ $ chgrp nilu /homevip/paul/create_users/oper
paul@ny-filur:~ $