Hi, I was wondering does each distribution of Linux have slightly different commands, in say bash? I was thinking if they are different, then the books I am looking at are off because most of them are based on Red Hat. So if that is the case I think it would be a good idea to find the files in my personal distribution that execute commands if there are such things? Then if something I read doesn't work I don't have to always assume it is me and I can look and see if the command is supported. Well, I could learn to do so. If so what are some of the names? I am quite new to this so I hope I don't have to look at some of them in root:) Kent