Logging in enables you to access the system. After you
have completed your work, logging off ends your session.
Logging in overview
Logging in enables you to manage your accounts. You use
a valid user ID and password to log in.
Logging off overview
Logging off ends your session with the system, and you
no longer have access.
Passwords
A password is a string of characters that is used to authenticate
your access to a system. A user ID and password are the two elements
which grant you access to a system.