!
! Test whether ACL permissions work
!
$ umask 022
$ mkdir dir
$ umask 077
$ touch dir/file
$ setfacl -m u:joe:rw,u:lisa:- dir/file
$ su - lisa -c cat\ /mnt/lustre/dir/file
cat: /mnt/lustre/dir/file: Permission denied
$ su - joe -c cat\ /mnt/lustre/dir/file
$ su - joe -c touch\ /mnt/lustre/dir/file
$ cat dir/file
$ setfacl -m g:users:-  dir/file
$ su - nobody -c cat\ /mnt/lustre/dir/file
cat: /mnt/lustre/dir/file: Permission denied
$ rm dir/file
$ rmdir dir