Breaking out of the traditional owner/group/world way of managing file permissions, setfacl and getfacl provide a lot of flexibility and fair share of complexity. The standard way of assigning file ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect. File permissions and ...

Authorizing access is a vital part of most any system’s security. But, for strong access control, simply asking “Where are you going?” is not enough. Asking “Where did you come from?” is also ...