2 .\" Mike Pritchard <mpp@FreeBSD.org>. All rights reserved.
4 .\" Copyright (c) 1983, 1991, 1993
5 .\" The Regents of the University of California. All rights reserved.
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31 .\" @(#)mtio.4 8.1 (Berkeley) 6/5/93
32 .\" $FreeBSD: src/share/man/man4/mtio.4,v 1.8.2.6 2001/08/17 13:08:38 ru Exp $
44 refer to SCSI tape drives,
45 which may be attached to the system.
47 are control devices that can be used to issue ioctls to the SCSI
48 tape driver to set parameters that are required to last beyond the
51 The rewind devices automatically rewind
52 when the last requested read, write or seek has finished, or the end of the tape
56 is usually prepended to
57 the name of the no-rewind devices.
59 Tapes can be written with either fixed length records or variable length
62 for more information. Two end-of-file markers mark the end of a tape, and
63 one end-of-file marker marks the end of a tape file.
64 If the tape is not to be rewound it is positioned with the
65 head in between the two tape marks, where the next write
66 will over write the second end-of-file marker.
68 All of the magtape devices may be manipulated with the
74 operations are available
78 for further information.
80 .Bl -tag -width /dev/[nr]sa* -compact
92 An i386 version first appeared in
95 The status should be returned in a device independent format.
97 The special file naming should be redone in a consistent and understandable