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System User's Guide: Operating System and Devices


Command Summary for Login Names, System IDs, and Passwords

Login and Logout Commands


login Initiates your session.
logout Stops all your processes.
shutdown Ends system operation.
su Changes the user ID associated with a session.
touch Updates the access and modification times of a file, or creates an empty file.

User and System Identification Commands


id Displays the system identifications of a specified user.
logname Displays login name.
uname Displays the name of the current operating system.
who Identifies the users currently logged in.
whoami Displays your login name.

Password Command


passwd Changes a user's password.

Related Information

Chapter 3, Commands and Processes

Chapter 9, File and System Security

Chapter 2, User Environment and System Information

Chapter 10, Customizing the User Environment


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