lock man page on NetBSD

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LOCK(1)			  BSD General Commands Manual		       LOCK(1)

NAME
     lock — reserve a terminal

SYNOPSIS
     lock [-np] [-t timeout]

DESCRIPTION
     lock requests a password from the user, reads it again for verification
     and then will normally not relinquish the terminal until the password is
     repeated.	There are two other conditions under which it will terminate:
     it will timeout after some interval of time and it may be killed by some‐
     one with the appropriate permission.

     Options:

     -n		 No timeout is used.  The terminal will be locked indefinitely
		 or until current challenge is met.

     -p		 A password is not requested, instead the user's current login
		 password is used.  If the user has an S/Key key, they may
		 also use it to unlock the terminal.  To do this the user
		 should enter "s/key" at the unlock "Key:" prompt.  The user
		 will then be issued an S/Key challenge to which they may
		 respond with a six-word S/Key one-time password.

     -t timeout	 The time limit (default 15 minutes) is changed to timeout
		 minutes.

SEE ALSO
     skey(1)

HISTORY
     The lock command appeared in 3.0BSD.

BSD				 June 6, 1993				   BSD
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