2.4 Tip for Changing Account Setup: Keep a Shell ReadyThe shell is your interface to UNIX. If you make a bad mistake when you change your .cshrc , .login or .profile file ( 2.2 ) , or your password, it can be tough to log in and fix things. Before you change your setup, it's a good idea to start a login session to the same account from somewhere else. Use that session for making your changes. Log in again elsewhere to test your changes. Don't have a terminal with multiple windows or another terminal close to your desk? You can get the same result by using rlogin or telnet ( 1.33 ) to log in to your host again from the same terminal. What I mean is:
somehost%
If you don't have
rlogin
or
telnet
, the command
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