What this does is, if I type ?ssh ? then hit the page-up key, it will complete the line to the last time in my history file that I typed ssh. Hitting page up again will go to the 2nd to last time I typed it. Incredibly handy if you ever type the same commands more than once.
credit goes to http://www.sharms.org/blog/2009/03/10/make-your-bash-shell-cool-again/
echo "\"\e[6~\": history-search-forward" >> ~/.inputrc
I often forget to type sudo before a command that needs it. This is the quickest way to rerun the command prefixed by sudo.
commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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