Yes, you can implement Unix ACL on a directory-by-directory basis.
The setfacl Unix command only affects the directory/file in the current directory.
If HFSACL is turned on, this will only affect the directory/file in that
the setfacl command is issued.
1. at ready omvs
2. setfacl -m "u:acladm:r--" test1
3. setfacl -D e