I propose to use this thread to discuss any general Linux-related questions
For the beginning, on this page you may download last stable version of Ubuntu Linux (the most popular distro afaik) preinstalled with lots of programmers utilities, in WMVare virtual machine format:
http://bagside.com/bagvapp/bagluxpe.html
Free VMWare Player you may need to run these VMs:
http://www.vmware.com/download/player/
ps: he just added 64 bit Ubuntu at my request. just go to http://bagside.com/bagvapp/ and grab it