Your smartphone is your smartphone, your tablet is usually your tablet, but your desktop, well you probably share it sometimes with friends, family, and co-workers. That's one of the reasons why ...

Linux, renowned for its robustness and security, is a powerful multi-user operating system that allows multiple people to interact with the same system resources without interfering with each other.

Because of its Unix heritage, Mac OS X is a true multi-user operating system from the ground up. Yet some people have used Mac OS X for many months without fully realizing what this means -- as the ...