Boxes command is a text filter and a little known tool that can draw any kind of ASCII art box around its input text or code for fun and profit. You can quickly create email signatures, or create regional comments in any programming language. This command was intended to be used with the vim text editor, but can be tied to any text editor which supports filters, as well as from the command line as a standalone tool.
XPenguins is a program for animating cute cartoons animals in your root window. By default it will be penguins they drop in from the top of the screen, walk along the tops of your windows, up the side of your windows, levitate, skateboard, and do other similarly exciting things. Now you can send an army of cute little penguins to invade the screen of someone else on your network.
You can now enjoy mysteries of the sea from the safety of your own terminal using ASCIIQuarium. It is an aquarium/sea animation in ASCII art created using perl.
Awesome! Here are few more Linux customization resources for you.
8 Great Alternative Desktop Managers For Linux
Various UNIX / Linux desktop managers (personally I’m big fan of both Gnome and Fluxbox), from the post:
Most of the Linux users should be familiar with Gnome and KDE since both of them are the most commonly used desktop managers in the various Linux distros. Now, if you are using an old PC with low hardware specs, you might find that the above two desktop environments are too heavy for your computer to handle.
In this case, you will have to consider using an alternative lightweight desktop manager for your Linux. Here are 8 of the best lightweight desktop managers that I personally use and recommend.