i think im planning on going to college for computer science or something of the like. or else going to a computer tech school

what types of occupations are best to study for? im sort of uneducated on what types of jobs are available.

how does being a unix system admin for some company pay somone was telling me that you just set everything up and it should run good and you are just on call for when it messes up otherwise you dont have to do any work.. this type of job would be nice =)...or how do other types of jobs pay
gimmie some ideas of what some good things are to study for...
any help woud be appreciated eh?
thanks alot