* [root@node1 ~]# cp -p /etc/fstab /var/tmp/
[root@node1 ~]# ls -lrt /etc/fstab
[root@node1 ~]# ls -lrt /var/tmp/fstab
[root@node1 ~]# chmod a+x /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
[root@node1 ~]# setfacl -m u:harry:rw- /var/tmp/fstab
[root@node1 ~]# setfacl -m u:natasha:--- /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
getfacl: Removing leading '/' from absolute path names
# file: var/tmp/fstab
# owner: root
# group: root
user::rwx
user:harry:rw-
user:natasha:---
group::r-x
mask::rwx
other::r-x
* [root@node1 ~]# su - natasha
[natasha@node1 ~]$ cat /var/tmp/fstab
cat: /var/tmp/fstab: Permission denied