This weekend ath the Code Camp in Waltham, Igor Moochnick announced the release of pash his open source power shell implementation. It currently runs on Linux, MacOS, WindowsCE and Windows.
pash on Linux.
Igor's project is hosted on sourceforge.
A few years ago Ryan Paul from Arstechnica wrote a nice guide to powershell (when it was still called Monad Shell).
Posted on 07 Apr 2008