Commands tagged xe (2)

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Merges given files line by line
In the above example all files have 4 lines. In "file1" consecutive lines are: "num, 1, 2, 3", in "file2": "name, Jack, Jim, Frank" and in "file3": "scores, 1300, 1100, 980". This one liner can save considerate ammount of time when you're trying to process serious portions of data. "-d" option allows one to set series of characters to be used as separators between data originating from given files.

use wget to check if a remote file exists

Clone IDE Hard Disk
This command clone the first partition of the primary master IDE drive to the second partition of the primary slave IDE drive (!!! back up all data before trying anything like this !!!)

vim easter egg
inside vim try: :help 42 to get the meaning of life, the universe and everything !

Install Restricted Multimedia Codecs in Ubuntu 14.04
Install the unrestricted version of libavcodec . It will keep away from any issues or missing codecs in video editors or transcoders. Install unrestricted version of libavcodec by the command.

get total of inodes of root partition

guitar synthesizer in one line of C
outputs a f=220Hz guitar string sound (fifth string A) needs ALSA

which process is accessing the CDROM

send substituted text to a command without echo, pipe
zsh only - This avoids the need for echo "message" | which creates an entire subshell. Also, the text you are most likely to edit is at the very end of the line, which, in my opinion, makes it slightly easier to edit.

Get your external IP address if your machine has a DNS entry


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