Commands by BlackJack (0)

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Create a directory and go inside it
$_ expands to the last argument of the last command that was executed

Find non ascii characters in files in folder

To convert **.wav to **.mp3 using LAME running one process per CPU core run:

Use color grep by default
Alias the grep command to show colored results by default.

commandline dictionary
Note: 1) Replace 'wonder' with any word you looking the meaning for in the above example 2) Need to install these packages: wordnet & wordnet-base (latter should be automatically installed because of dependency) 3) Combined size of packages is about 30MB on my old ubuntu system (I find it worth it)

A command to post a message to Twitter that includes your geo-location and a short URL.
A command to post a message to Twitter that includes your geo-location and a short URL. The link shortening service is provide by TinyURL, the geo-location service is provided by HostIP and the IP address lookup service is provided by AppSpot. This is an upgrade of an of one of my previous contributions: http://tinyurl.com/yd2xtzv.

Insert a line at the top of a text file without sed or awk or bash loops
Yet another way to add a line at the top a of text file with the help of the tac command (reverse cat).

Extract title from HTML files
not the best, uses 4 pipes!

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

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