If you still think that operating systems are tied to hardware, you need to update your thinking; nowadays there are lots of options that let you run one operating system within another or in parallel ...

If you use the Microsoft Windows 7 operating system on the computers at your business and need to run Linux or BSD programs on them, you can use Cygwin, a Linux-like environment for Windows computers.

Windows only: If you need your Unix command line on a Windows PC, chances are you use a terminal emulator like Cygwin—and if you do, you want to check out MinTTY. The MinTTY terminal window for Cygwin ...

The Windows Command Prompt certainly isn't the most friendly terminal around, and if you're coming from a UNIX background, it can feel like moving from a Ferrari to Fred Flintstone's car. Luckily, ...