Using Ch mod

Using chsh

Using rmsh

Using tchsh

One that runs when the user login

One that authenticate the user while logging in

One that user that belong to the same group

belong to the same group One that give no permission

IBM-compatible

Alpha

Macintosh

SPARC

Uname-r

Uname-n

Uname-t

Kernal

Windows

Linux

Mac

Dos