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 ...

Security is a ubiquitous part of any computer system of any size. A single large barrier is less effective than implementing multiple layers of security when it comes to creating secure applications.

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 ...