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.
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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
You can set the previous bash command as the terminal title by this command.
-trap assigns a command to execute at a given bash signal.
-in the $BASH_COMMAND you find the last command
-you can set the terminal title with the escape sequence: \e]0;this is the title\007
-to let the echo care about the backslashes give the -e to it
Since trap is a built in bash command you find more informatin in 'man bash'for more
You can get what functions at which addresses are inside a dynamic link library by this tool.
This is the way how you can find header and cpp files in the same time.
If you are in ex mode in vim i.e. you've pressed ':'. You can edit the current command by pressing <ctrl-f>