The best Windows tips, tricks and advice that will help you make the time at your computer safer, easier and more fun
http://www.windows-help-central.com

Information, Tips & Troubleshooting Information About Microsoft Windows Operating Systems - Includes Windows Vista, Windows XP, Windows 2000, Windows ME, Windows 98
http://www.windows.org.in/

A Windows XP how to website covering Windows XP introduction and installation to computer shopping to learning about hardware, software, and Windows Office applications including Microsoft Word, Excel, Access, PowerPoint, FrontPage, etc. Given this knowledge you’ll be able to make intelligent decisions to purchase, operate, and use the computer for the purpose you intended and spend less time not knowing what to do when a problem comes up.
http://www.windows-xp-how-to.com

LINSP is a directory of companies who provide professional support for GNU/Linux and Free, Open-Source Software (FOSS) to business and domestic users.
http://linsp.com/

Learn all the secrets on microsofts new operating system, windows vista. Learn all the secrets on microsofts new operating system, windows vista.
http://www.windowsvistasecrets.info/

Ubuntu Badger Linux is a computer operating system that is very powerful, stable and a good operating system that is free. Linux may be the only operating system that programs you want to operate on your computer are available.Badger Linux Net is a portal of resources for beginner real Linux users.
http://www.badgerlinux.net/

Cookinglinux is a team of Linux kernel hackers. Our main goal is giving as much help as we can offer on different GNU projects. If you feel that you could potentially be helpful in such a team, do not hesitate to contact us.
http://www.cookinglinux.org