Even users running that other OS can run UNIX-like shell scripts, and therefore benefit from many of the lessons of this book. The Cygwin package from Cygnus and the MKS utilities from Mortice Kern Associates add shell scripting capabilities to Windows.
Another alternative is UWIN, written by David Korn of AT&T, of Korn Shell fame.
In 2006, Microsoft released the Windows Powershell®, which contains limited Bash-like command-line scripting capabilities.