Windows PowerShell Quick Reference
Windows PowerShell Quick Reference is an electronic bool authored by Lee Holmes. That's 115 pages about Microsoft’s next-generation command shell and scripting language that every Sysadmin must have in hand.
"For years, support for scripting and command-line a dministration on the Windows platform has paled in comparison to the support offered by the Unix platform. Unix administrators enjoyed the immense power and productivity of their command shells, while Windows administrators watched in envy. Windows PowerShell, Microsoft's next-generation command shell and scripting language, changes this landscape completely. This Short Cut contains the essential reference material to help you get your work done-including the scripting language syntax, a regular-expression reference, useful .NET classes, and much more."