From: Pawel Zielniok Date: 2009-04-20T05:10:23+09:00 Subject: Re: irb not recognized in windows command line Just for anybody still looking solution having no admin rights in WinXP: Start -> Control Panel -> System -> Advanced -> Environment Variables -> New for User Variables -> Variable Name: Path, Variable Value: C:\ruby\bin (if installed in this folder). -- Posted via http://www.ruby-forum.com/.