Clearing Command Line cache

What is the command to clear out the cache in a command line? There's so many commands that I just want to clear it out every now and then.

Thanks.

You mean clear the *history* ?

Code:

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history -c

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Clear the history file.

That is it! I could not remember that command for the life of me. Thanks!

For that thankyou you recieve a free tip from muha :)
Write that sort of stuff into a logfile you keep hanging around on your system.
It basicly contains all the commands with commandline options you used and looked at, with one line saying what it does. When you're looking for something you can always refind it that way.