UNIX Graphical interface
In Windows
It is possible to run GNU/Linux software that has a graphical interface, e.g. eog, gedit etc (as described in Available Software) on your Windows desktop using Xming.
For instructions on how to do this, please read this guide.
http://courses.cms.caltech.edu/cs11/misc/xwindows.html
Alternatively, you can download CYGWIN , which is a unix emulator on your desktop that can install all of the X11 libs. This will then allow you to perform X11 forwarding on your Windows machine. This is a little more involved but could be more powerful than using Xming.
In GNU/Linux (and MacOS)
You can do this by simply using the -X parameter in ssh
e.g.
[user@localmachine]# ssh -X user@bert.ibers.aber.ac.uk
This will give you access to any software on bert that has a GUI. e.g. eog, gedit etc (as described in Available Software)