Lightweight Linux Distribution: Which one to choose and for what purpose?

Accept it friends, with attractive interface and eye-catching effects the major Linux distributions like Ubuntu, Mint, Fedora and even Debian, all have become very CPU & RAM intensive. And if you have anything less than a Pentium Dual Core, you are bound to face difficulties in multi-tasking; sometimes even loading the distribution becomes a big pain.

So, you can have two options:

either to