1.\" $NetBSD: tcopy.1,v 1.7 2002/09/30 11:09:12 grant 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)tcopy.1 8.2 (Berkeley) 4/17/94 35.\" 36.Dd April 17, 1994 37.Dt TCOPY 1 38.Os 39.Sh NAME 40.Nm tcopy 41.Nd copy and/or verify mag tapes 42.Sh SYNOPSIS 43.Nm 44.Op Fl cvx 45.Op Fl s Ar maxblk 46.Oo Ar src Op Ar dest 47.Oc 48.Sh DESCRIPTION 49.Nm 50is designed to copy magnetic tapes. 51The only assumption made 52about the tape is that there are two tape marks at the end. 53.Nm 54with only a source tape 55.Pf ( Ar /dev/rst0 56by default) specified will print 57information about the sizes of records and tape files. 58If a destination 59is specified a copy will be made of the source tape. 60The blocking on the 61destination tape will be identical to that used on the source tape. 62Copying 63a tape will yield the same output as if just printing the sizes. 64.Pp 65Options: 66.Bl -tag -width s_maxblk 67.It Fl c 68Copy 69.Ar src 70to 71.Ar dest 72and then verify that the two tapes are identical. 73.It Fl s Ar maxblk 74Specify a maximum block size, 75.Ar maxblk . 76.It Fl v 77Given the two tapes, 78.ar src 79and 80.Ar dest 81verify that they are identical. 82.It Fl x 83Output all informational messages to the standard error. 84This option is useful when 85.Ar dest 86is 87.Pa /dev/stdout . 88.El 89.Sh SEE ALSO 90.Xr mtio 4 91.Sh HISTORY 92The 93.Nm 94command appeared in 95.Bx 4.3 . 96