1.\" $NetBSD: tcopy.1,v 1.9 2005/06/28 07:55:12 wiz Exp $ 2.\" 3.\" Copyright (c) 1985, 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)tcopy.1 8.2 (Berkeley) 4/17/94 31.\" 32.Dd April 17, 1994 33.Dt TCOPY 1 34.Os 35.Sh NAME 36.Nm tcopy 37.Nd copy and/or verify mag tapes 38.Sh SYNOPSIS 39.Nm 40.Op Fl cvx 41.Op Fl s Ar maxblk 42.Oo Ar src Op Ar dest 43.Oc 44.Sh DESCRIPTION 45.Nm 46is designed to copy magnetic tapes. 47The only assumption made 48about the tape is that there are two tape marks at the end. 49.Nm 50with only a source tape 51.Pf ( Ar /dev/rst0 52by default) specified will print 53information about the sizes of records and tape files. 54If a destination 55is specified a copy will be made of the source tape. 56The blocking on the 57destination tape will be identical to that used on the source tape. 58Copying 59a tape will yield the same output as if just printing the sizes. 60.Pp 61Options: 62.Bl -tag -width s_maxblk 63.It Fl c 64Copy 65.Ar src 66to 67.Ar dest 68and then verify that the two tapes are identical. 69.It Fl s Ar maxblk 70Specify a maximum block size, 71.Ar maxblk . 72.It Fl v 73Given the two tapes, 74.Ar src 75and 76.Ar dest 77verify that they are identical. 78.It Fl x 79Output all informational messages to the standard error. 80This option is useful when 81.Ar dest 82is 83.Pa /dev/stdout . 84.El 85.Sh SEE ALSO 86.Xr mtio 4 87.Sh HISTORY 88The 89.Nm 90command appeared in 91.Bx 4.3 . 92