Operating system - Wikipedia, the free encyclopedia
An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system ...http://en.wikipedia.org/wiki/Operating_...
Free Operating systems and commercial operating systems
Operating Systems, freeware and non-free, such as Linux, FreeBSD, BeOS, Zeta, Unix, RiscOS, Amiga, DOS-clones, Windows-emulators, etc.http://www.freebyte.com/operatingsystems/
HowStuffWorks "How Operating Systems Work"
The operating system controls your computer's tasks and manages system resources to optimize performance. Learn how your operating system works.http://computer.howstuffworks.com/opera...