1.\" Copyright (c) 1987, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.roff% 5.\" 6.\" @(#)lock.1 6.9 (Berkeley) 07/27/91 7.\" 8.Dd 9.Dt LOCK 1 10.Os 11.Sh NAME 12.Nm lock 13.Nd reserve a terminal 14.Sh SYNOPSIS 15.Nm lock 16.Op Fl p 17.Op Fl t Ar timeout 18.Sh DESCRIPTION 19.Nm Lock 20requests a password from the user, reads it again for verification 21and then will normally not relinquish the terminal until the password is 22repeated. 23There are two other conditions under which it will terminate: it 24will timeout after some interval of time and it may be killed by someone 25with the appropriate permission. 26.Pp 27Options: 28.Pp 29.Bl -tag -width Fl 30.It Fl p 31A password is not requested, instead the user's current login password 32is used. 33.It Fl t Ar timeout 34The time limit (default 15 minutes) is changed to 35.Ar timeout 36minutes. 37.El 38.Sh HISTORY 39The 40.Nm lock 41command appeared in 42.Bx 3.0 . 43