Mbr = master boot record,
Basically it is the very first part of the Hard Disk Drive.
A little program responsible for starting the rest of the operating system
Anyway, there are many 'lightweight' distributions
Linux Mint xfce is worth looking at
http://blog.linuxmint.com/?p=2656
Should be easy to install and suited to your old hardware.
The interface won't be a million miles away from win XP/7
Regards breaking up quotes
[QUOTE]
They wrote this
....
....
[/qoute]
your reply
[qoute]
Rest of post
[/QUOTE]
You add the lowercase quotes (but case doesn't matter!)
Edit: make sure you spell/type it correctly,..,( I hate phone keyboards)