[Rails] Execute commands

[Juan José Vidal Agustín]

Hi,

I'm trying to make an app to control a set of machines, and I need to
executes linux commands for it. I've been looking for in Google...

How can I execute system commands with Rails and control the commands
output??? 

How can I find a good tutorial about threads???


Thanks,
Juanjo
-- 
Juan José Vidal Agustín <juanjova at um.es>
ATICA - Universidad de Murcia