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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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Rotate a pdf by 90 degrees CW

Create a DOS floppy image
mount with: mount -t msdos -o loop ./floppy.img /tmp/mnt

print all except first collumn

(DEBIAN-BASED DISTROS) Find total installed size of packages given a search term
Replace \-dev with whatever you wanna search for

Create a tar archive with all files of a certain type found in present dir and subdirs
Note: the tar archive must not exist in order to create it. If exists it will only be updated and no already existent files in present search will still remain in the tar archive. The update option has to be used instead of create because the command tar may be executed more than once depending on the number of arguments that find throws. You can see maximum number of arguments with 'getconf ARG_MAX'

Lists all listening ports together with the PID of the associated process
The PID will only be printed if you're holding a root equivalent ID.

An easter egg built into python to give you the Zen of Python

Convert all Flac in a directory to Mp3 using maximum quality variable bitrate

Show the 1000*1000 and 1024*1024 size of HDs on system

Get absolut path to your bash-script
Another way of doing it that's a bit clearer. I'm a fan of readable code.


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