Useful commands for linux – part 001.

Today I will come with some useful commands for your linux. Some commands need to be install into your linux, like ImageMagick.
With ImageMagick software you can generate an animated GIF:

This command of ImageMagick will resize to 50% all your png files from your folder:

Use this command to put top command output into log file and read the firefox process with a number of rows after that:

See the first files eating out your space:

Store the output into value of command who:

Store the output of command file into value and then show the result: