ACLs: Extended file-permissions

"Before I get started I want to mention that filesystems where you want to use have to be mounted with the ACL-option. Either manually using mount -o acl or by adding acl to the options-line in /etc/fstab. The latter looks like this:

/dev/Fedora/Root / ext4 defaults,acl,noatime,nodiratime 1 1

"By running mount you can easily check if your filesystems are mounted with this option. The output for the previously shown partition looks like this:

/dev/mapper/Fedora-Root on / type ext4 (rw,noatime,nodiratime,acl)

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