login

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.

Options

user

Sign on as user (instead of being prompted).

-d tty

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

var = value

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