commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. 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.
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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.
» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10
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When aliens invade Earth, be first to warn your neighbours by placing your computer screen at a window and executing this potentially Earth-saving command.
Ctrl C when aliens are defeated.
There are 2 alternatives - vote for the best!
If you can do better, submit your command here.
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no neg from me, but it would be nice for the OP to leave a comment when posting a funny one-liner.
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xset dpms force on|off
is to turn on and off energy-star features
xset s reset
does something with the screen saver
sleep 0.3
might not work in some systems that do not accept anything except whole seconds.
yeah the 0.3 secs gets rounded to 1 sec on some systems.
although meant for amusement, it does show a simple way to switch the display on/off
combine with a system beep (CTRL-G) for extra annoyance ;-)