Windows XP
This Windows Operating System replaced 2000 and ME and has been around since 2001. It is slowly being phased out by Microsoft.
Windows Vista
A version of Windows which broke with tradition and introduced many controversial features that have since become standard in modern Operating Systems.
Windows 7
Microsoft’s Latest OS including a redesigned Taskbar, network sharing model, and many refinements of concepts from previous versions of Windows.
Linux
A free open source Operating System created by combining Linus Torvalds’ kernel with the GNU project’s tools. Many different flavors of Linux exist to fill many roles from personal computer, office computers, servers, and much more.
