An unfortunately named version control system by Mr Linus Torvalds himself.

• How to split a git repository (13 April 2014)
• Set up a global .gitignore for Github for Windows (15 June 2012)
• Delete a remote repository (18 March 2012)
• Amend a commit message with git (27 August 2011)
• List files which are and are not under version control (14 August 2011)
• Remove deleted files from Git's index (14 August 2011)
• Remove files from Git's index without deleting the actual file (14 August 2011)
• Remove files in .gitignore from version control (14 August 2011)
• Some tasks using Git version control (20 January 2011)