An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system ...

This is a list of operating systems. Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other ...

Helping you with questions you may have about computer operating systems as well as linking you to all the major computer operating systems.

Operating Systems, freeware and non-free, such as Linux, FreeBSD, BeOS, Zeta, Unix, RiscOS, Amiga, DOS-clones, Windows-emulators, etc.

An operating system (sometimes abbreviated as OS) is the program that, after being initially loaded into the computer by a boot program, manages all the other ...

The operating system controls your computer's tasks and manages system resources to optimize performance. Learn how your operating system works.

Online shopping for Operating Systems: Software at Amazon.com

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on ...