Scroll to the bottom of page, under cheat sheets:

http://www.catonmat.net/projects/

D
Quoting Mike Miller <mbmiller+l at gmail.com>:

> On Mon, 9 Apr 2012, canito at dalan.us wrote:
>
>> A colleague of mine was "researching" on the web, when he came  
>> across a command line cheat sheet. I thought I would share one of  
>> the commands we thought to be most cool & interesting.
>
> Where did you find it?
>
> Mike
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