Unix for windows
Going to try this out: http://download.microsoft.com/download/5/f/2/5f26ad97-ace1-4454-975c-bca19dbd61d1/sfu35intro.doc#_Toc59604538
SFU 3.5 includes Interix, a complete POSIX development environment tightly integrated with the Windows kernel. Both Korn and C shells are included, and the Bash shell is available as a free download. With more than 350 UNIX utilities and a single rooted file system, SFU provides a familiar environment for UNIX developers, users, and administrators.