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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
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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set how many commands to keep in history
Default is 500
Saved in /home/$USER/.bash_history
Add this to /home/$USER/.bashrc
HISTFILESIZE=1000000000
HISTSIZE=1000000
There are 4 alternatives - vote for the best!
If you can do better, submit your command here.
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Also, for those who want unlimited history, you can leave those two (HISTFILESIZE and HISTSIZE) fields blank.
source:
http://superuser.com/questions/137438/how-to-unlimited-bash-shell-history