The getrichacl and setrichacl utilities allow to manage Rich Access
Control Lists (richacls) from the command line.
Richacls are an implementation of NFSv4 ACLs which has been extended by
file masks to better fit the standard POSIX file permission model. They
provide a consistent file permission model locally as well as over
various remote file system protocols like NFSv4 and CIFS/Samba.
