I'v enot seen this mentioned here and though it may be of some interest. http://www.winnetmag.com/Article/ArticleID/41498/Windows_41498.html http://www.microsoft.com/windows/sfu "The environment also provides the familiar tools that UNIX developers, IT professionals, and administrators expect, so you'll see familiar C and Korn shells, applications, and command-line utilities such as gcc, make, emacs, vi, sendmail, and ftp. SFU also includes Perl 5.6.1 and ActiveState's ActivePerl to ease migration of UNIX administration scripts to Windows" "Specifically, SFU 3.5 includes redesigned and performance-tuned improvements to its NFS and NIS interoperability tools and Interix environment; support for UNIX P-Thread applications, enabling businesses to port over more complex, multi-threaded applications than was previously possible; better POSIX support; and the latest versions of X11 (X11R6.6) and many UNIX command-line utilities." Tim.Thread Next