Small question regarding ACLs (access control lists): can you give me some usage scenarios for the "effective rights mask"? It doesn't apply to the "owner" or "other" users but can affect all other users/groups. Why?!
What is so special about "other" users? Ok, I could use it to restrict users afterwards (doesn't seem the right way...!) ... it doesn't look useful at all ???!
[iggi@localhost ~]$ getfacl file
# file: file
# owner: iggi
# group: iggi
The line mask:r-- is somewhat special: it displays the effective rights mask. This entry limits the effective rights granted to all groups and to named users. (The file owner and others permissions are not affected by the effective rights mask; all other entries are.)