Commands using mkdir (97)

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Weather on the Command line
Get your weather from a weather station just blocks from your home. Go to http://www.wunderground.com/wundermap/ and find a weather station near you. Click on a temperature bubble for that area. When the window pops up, click on hypertext link with the station ID, then on the bottom right of the page, click on the Current Conditions XML. Thats your link! Good luck!

list block devices
Shows all block devices in a tree with descruptions of what they are.

silent/shh - shorthand to make commands really quiet
Sometimes I just want to run a command quietly but all that keyboard shifting makes my fingers hurt. This little function does the job eg.: $ if shh type less; then PAGER=less; fi

c_rehash replacement
When you don't have c_rehash handy. Really simple - if you have a .pem file that doesn't really contain a x509 cert (let's say, newreq.pem), it will create a link, simply called '.0', pointing to that file.

Use the arguments used in the last command
Very basic, but who knows.. mkdir !$ should work too, only uses 'the last' argument. !-2 executes cd Desktop/Notes again. More tips in 'man history'

List of services sorted by boot order in Redhat-based systems

List bash functions defined in .bash_profile or .bashrc
typeset command gives to stdout all the functions defined in a bash session, -f and -F switches are for: all functions names with body (-f) and all functions names only (-F).

List all installed Debian packages
Should work on all systems that use dpkg and APT package management.

Batch rename extension of all files in a folder, in the example from .txt to .md

find xargs mv


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