2 ! Test whether ACL permissions work
8 $ setfacl -m u:joe:rw,u:lisa:- dir/file
9 $ su - lisa -c cat\ /mnt/lustre/dir/file
10 cat: /mnt/lustre/dir/file: Permission denied
11 $ su - joe -c cat\ /mnt/lustre/dir/file
12 $ su - joe -c touch\ /mnt/lustre/dir/file
14 $ setfacl -m g:users:- dir/file
15 $ su - nobody -c cat\ /mnt/lustre/dir/file
16 cat: /mnt/lustre/dir/file: Permission denied