From: Jonathan Nielsen Date: 2010-01-14T00:01:17+09:00 Subject: Re: roll back to last command in irb >> >> I'm talking about a development box, not a production one. I was >> thinking that maybe ruby1.9 is a snapshot and therefore sometimes >> wouldn't work. So I installed ruby1.9.1. Am I correct? Ruby1.9 is an old release of ruby1.9.0, and is the only one available on Ubuntu releases before Karmic. Ruby1.9.1 is ruby1.9.1 patchlevel 243 (in Karmic anyway) and is probably fine, but I personally compile mine from source. -Jonathan Nielsen