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UNIX in a Nutshell: System V Edition

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UNIX Commands
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login [options]

Sign on and identify yourself to the system. At the beginning of each terminal session, the system prompts you for your username and, if relevant, a password. The options are usually not used.



Sign on as user (instead of being prompted).


Specify the pathname of the tty that serves as the login port.


When specified after the username, assign a value to one or more environment variables. PATH and SHELL can't be changed.)

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