Linux Tutorials
Hundreds of Linux tutorials and security tips for system administrators and Linux enthusiasts. For webmasters there is a free ping service which allows mass pinging of feed directories.
http://www.acodedb.com

Vista Slow
This blog about Vista Tips, Windows Vista Troubleshooting for Why Vista Runs slow after start up and vary slow shutdown and how to Speed up Vista start up, Vista vs windows xp and Vista installation and troubleshooting.
http://vista-tip.blogspot.com/

Windows Vista Tips
Helpful hints, tricks, tips, and advice for Microsoft's Windows Vista operating system.
http://www.windowsvistatips.org

Vista Service pack
Get to know about the microsoft vista service pack details even before they are released.
http://servicepacks.org

FreeBSD India
FreeBSD India Official Site
http://freebsdindia.com

exchange auditing
Stealthbits.com is an industry leading software company which develops StealthAudit. The STEALTHbits software suite for auditing Active Directory, Blackberries, Exchange server and performing public folder cleanup are essential to any large or medium size
http://www.stealthbits.com