HowTo

Windows:
HowTo/ChangeIpSettingsInWindows

HowTo/ChangeDNSsettingsInWindows

HowTo/MonitorOpenPortsInWindows

HowTo/TweakWindowsForSecurityAndPrivacy

HowTo/ListProcessesInWindows

HowTo/KillProcessesInWindows

Linux:
HowTo/EfficientlyRemoveLargeDirectoryTree

HowTo/GetSpecificLinesOfTextFiles

HowTo/UncompressFilesInLinux

HowTo/UseLinuxFramebufferDevice

HTML:
HowTo/HideMailtoTags HowTo/Create_a_torrent_file

Computer Politics
HowTo/BecomeAHacker HowTo/BecomeATroll

Wiki Related
HowTo/EditWikipages HowTo/Despam

MISC
HowTo/PurchaseGreenEnergyInTheUSA HowTo/AskSmartQuestions HowTo/MakeYourOwnHumanureToilet HowTo/MakeHomeCookedMeals

See: Practical wiki pages