Here's how you can clear your terminal history in OS X with one simple command.
1. Open a terminal window.
2. Type in the following command then hit Enter.
Every now and then we realize that there’s a tip that we haven’t covered, and even when it’s as simple as clearing your terminal history, we feel compelled to write about it. Here’s how to clear your history on Linux or Mac OS X.More at How To Geek
Additional resources for OS X
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