Category Archives: cli

sl makes you pay attention

The sl binary is a funny little application that makes you pay attention when you type “ls“. If you have it installed and type sl by accident instead, an ASCII train will roam through your terminal screen instead. Try it.

Find more about your multimedia files

This is a nice trick to easily access information about your multimedia files. Install the mplayer package then add the following to your ~/.bashrc file: idmedia(){ mplayer -identify -frames 0 -ao null -vo null -vc dummy “$@” 2>/dev/null | grep ID_ } Now run it like idmedia file.mp3 (this tip was sent in by lockw3)

Set file timestamps from the Linux command line

Creating a file with a different timestamp could be required in your distant future. However, when and if you are required to make one, you can do it with touch -c -t 0811141443 filename Let’s break down the numbers: 0811141443 = YYMMDDHHMM = 2008, November the 14th, 14:43

Create a backup ISO image of your important data

If you want to make a quick backup of a certain directory, ready to be burned on a CD or DVD, you can use mkisofs -V LABEL -r directory | gzip > cdrom.iso.gz We guarantee 100% pass results on first attempt by using 220-701 Q & A with detailed 640-822 notes and 642-812 practice test.