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commandlinefu.com is the place to record those command-line gems that you return to again and again. 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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GZip all files in a directory separately
It gzip each file in a directory separately

Merge some PDF files into a single one

add all files not under version control to repository
With the force options the same results can be achieved

Get your public ip

Check variable has been set

Using column to format a directory listing
Using column to format a directory listing

create and md5 sum of your password
create and md5 sum of your password without it showing up in your terminal or history. Afterwards we overwrite the $p variable (thx to bazzargh)

Print a row of 50 hyphens
Perl is installed by default on most modern OS when jot is not.

Monitor bandwidth by pid
Nethogs is a useful tool for monitor bandwidth consumption by pid. Tested on Debian an CentOs

External IP (raw data)


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