xref: /freebsd/usr.bin/lock/lock.1 (revision 8fe908ef0cb7aeeb5658acd30b9c9a11b8e33b32)
19b50d902SRodney W. Grimes.\" Copyright (c) 1987, 1990, 1993
29b50d902SRodney W. Grimes.\"	The Regents of the University of California.  All rights reserved.
39b50d902SRodney W. Grimes.\"
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59b50d902SRodney W. Grimes.\" modification, are permitted provided that the following conditions
69b50d902SRodney W. Grimes.\" are met:
79b50d902SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright
89b50d902SRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer.
99b50d902SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright
109b50d902SRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer in the
119b50d902SRodney W. Grimes.\"    documentation and/or other materials provided with the distribution.
129b50d902SRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software
139b50d902SRodney W. Grimes.\"    must display the following acknowledgement:
149b50d902SRodney W. Grimes.\"	This product includes software developed by the University of
159b50d902SRodney W. Grimes.\"	California, Berkeley and its contributors.
169b50d902SRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors
179b50d902SRodney W. Grimes.\"    may be used to endorse or promote products derived from this software
189b50d902SRodney W. Grimes.\"    without specific prior written permission.
199b50d902SRodney W. Grimes.\"
209b50d902SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
219b50d902SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
229b50d902SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
239b50d902SRodney W. Grimes.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
249b50d902SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
259b50d902SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
269b50d902SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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289b50d902SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
299b50d902SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
309b50d902SRodney W. Grimes.\" SUCH DAMAGE.
319b50d902SRodney W. Grimes.\"
329b50d902SRodney W. Grimes.\"	@(#)lock.1	8.1 (Berkeley) 6/6/93
33c3aac50fSPeter Wemm.\" $FreeBSD$
349b50d902SRodney W. Grimes.\"
359b50d902SRodney W. Grimes.Dd June 6, 1993
369b50d902SRodney W. Grimes.Dt LOCK 1
379b50d902SRodney W. Grimes.Os
389b50d902SRodney W. Grimes.Sh NAME
399b50d902SRodney W. Grimes.Nm lock
409b50d902SRodney W. Grimes.Nd reserve a terminal
419b50d902SRodney W. Grimes.Sh SYNOPSIS
428fe908efSRuslan Ermilov.Nm
432280509cSOllivier Robert.Op Fl n
449b50d902SRodney W. Grimes.Op Fl p
459b50d902SRodney W. Grimes.Op Fl t Ar timeout
469b50d902SRodney W. Grimes.Sh DESCRIPTION
479b50d902SRodney W. Grimes.Nm Lock
489b50d902SRodney W. Grimesrequests a password from the user, reads it again for verification
499b50d902SRodney W. Grimesand then will normally not relinquish the terminal until the password is
509b50d902SRodney W. Grimesrepeated.
519b50d902SRodney W. GrimesThere are two other conditions under which it will terminate: it
529b50d902SRodney W. Grimeswill timeout after some interval of time and it may be killed by someone
539b50d902SRodney W. Grimeswith the appropriate permission.
549b50d902SRodney W. Grimes.Pp
559b50d902SRodney W. GrimesOptions:
569b50d902SRodney W. Grimes.Pp
579b50d902SRodney W. Grimes.Bl -tag -width Fl
582280509cSOllivier Robert.It Fl n
592280509cSOllivier RobertDon't use a timeout value.  Terminal will be locked forever.
609b50d902SRodney W. Grimes.It Fl p
619b50d902SRodney W. GrimesA password is not requested, instead the user's current login password
629b50d902SRodney W. Grimesis used.
639b50d902SRodney W. Grimes.It Fl t Ar timeout
649b50d902SRodney W. GrimesThe time limit (default 15 minutes) is changed to
659b50d902SRodney W. Grimes.Ar timeout
669b50d902SRodney W. Grimesminutes.
679b50d902SRodney W. Grimes.El
689b50d902SRodney W. Grimes.Sh HISTORY
699b50d902SRodney W. GrimesThe
708fe908efSRuslan Ermilov.Nm
719b50d902SRodney W. Grimescommand appeared in
729b50d902SRodney W. Grimes.Bx 3.0 .
73