$ mkdir dir1 dir2 $ for i in {1..3}; do touch "dir1/file$i"; done $ for i in {4..6}; do touch "dir2/file$i"; done $ sudo chmod 700 * $ sudo chmod 600 */* $ setfacl -m user:test1:rwx * $ setfacl -m user:test2:r-x dir1 $ setfacl -m user:test2:r-- dir1/* $ setfacl -m user:test3:r-x dir1 $ setfacl -m user:test3:r-- dir1 dir1/* $ setfacl -m user:test3:rw- dir1/file1 $ setfacl -m user:test3:r-x dir1/file2 $ setfacl -m user:test4:-wx dir2 $ setfacl -m user:test5:--x * $ setfacl -m user:test5:rwx */*