From: Wayne Brissette Date: 2013-01-07T20:18:54+09:00 Subject: Re: newbie question what am I doing wrong? On Jan 7, 2013, at 5:07 AM, Feng He wrote: > 于 2013-1-7 19:01, Wayne Brissette 写道: >> Since you mentioned Windows, substitute command prompt for DOS prompt. Once you open a DOS prompt, simply type: >> >> irb > > My win7 has no DOS, how to run ruby? thanks. > Sure it does. Start > All Programs > Accessories > Command Prompt