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lock(1) General Commands Manual lock(1) NAME lock - Requests and verifies a user password SYNOPSIS lock [-number] The lock command requests and reads a password from a user, then re- quests the password a second time to verify it. OPTIONS Sets the time-out period to number minutes. The default value is 15 minutes. DESCRIPTION The lock command then locks the terminal and does not relinquish it un- til the password is received again, unless one of the following occurs: The root password is entered. The time-out interval is exceeded. The command is killed by a user with appropriate permission. The time-out default value is 15 minutes, but this can be changed with the -number option. EXAMPLES To lock a terminal, enter: lock The password is requested twice, with two different prompts, so the system can verify it. If the password is not repeated within 15 minutes, the command times out. To lock a terminal for 10 minutes instead of 15, enter: lock -10 SEE ALSO Commands: passwd(1) lock(1)