I am not a linux user, but I found this website that provides a remote linux system for you to try out for free
You only need to register for an account and download the NX Client to use it
What is CosmoPOD?
Ever need access to your personal files and applications from work or while on the road? Tired of lugging around your laptop or hard drive?
With CosmoPOD, you get the same desktop, whenever, wherever. Your desktop lives online, so its not glued to the computer you happen to be using!
Great Value. Your online desktop comes pre-loaded with lots of brilliant programs and everything you would expect on a modern desktop. A full Office Suite, for example, allows you to work with Word and Excel documents seamlessly.
Stay Current. Tired of the endless updates, downloads and reboots? On CosmoPOD your applications stay up to date automatically. Killer applications just arrive, ready to use, fresh out of the open source oven.
No More Hassle. Don't cry over broken and outdated software. No more hassels downloading and installing software that never works. Simply login to CosmoPOD and you're ready-to-go.
Everywhere Access. No matter where you are in the world, your desktop, data and applications are an internet cafe or friends computer away.
Travel Light. Don't stress about lugging around an expensive heavy laptop that can be broken, lost or stolen. Your free cosmopod desktop is available anytime, anywhere.
Secure and Anonymous. Work on your private stuff, communicate and surf the web without worrying about whether your company is snooping.
Tired of Viruses and Spyware? CosmoPOD is safe and hassle free, leaving you get on with what you need to do.
Take a Test Drive. Sign up for a Free Account. When you're ready, go Premium and get lightening fast access to a power packed desktop experience.
If you don't mind the vertical banner on the right side of the desktop, you can signup for a free account.
So here it is:
http://www.cosmopod.comSetup instruction can be found here:
http://www.cosmopod.com/index.php?option=com_content&task=view&id=20&Itemid=50 
