Setting /~ to server directory???


Ok, here is my question...
I am system admin of my school's network and am trying to set up osX on a the g4's.
In mac os 9 i could connect to the linux server by going to the chooser, double clicking on the server and logging in. What i want, is in osx, when you get the login screen, to login to the same server and the /~ directory to become your folder on the schools server.

If somebody could help me get this working it would be greatly appreciated