Search - deleting

• 2015.oct.11 Computer - How can I delete what I have entered on a line and start again?
• 2015.mar.13 Computer - I am giving a old computer away but want to keep Windows on it.
• 2010.apr.24 Computer - How do I remove my history from Facebook?
• 2009.mar.22 Computer - How can I save some diskspace?
• 2005.jun.08 Programming - How do I selectively delete items from a STL vector?