The Linux distro that runs on 128MB of ram WattOS!

What is really beautiful about linux is that it's fully customizable and re-released with prefered settings, an example of that is WattOS that runs on  your old machine that has 128mb. time to revive it!

WattOS is a Linux distribution that is commun because of it being lightweight, it's based on ubuntu which means, stability and long term support! 
it offers 32 and 64 bit architectures, the installation process is similar to ubuntu's installation if you are familiar with it, quick and straightforward. you can either install it, or boot the live cd to try it before you install it on an actual machine. it has a simple and minimalistic interface, you can access your files and apps quickly from the bottom bar, the exciting thing about this, is that it will give you extra battery life for laptops, since it's not heavy on the system resources. 

Link to download : WattOS