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Annotation of 43BSDReno/usr.bin/mt/mt.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1981, 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)mt.1       6.5 (Berkeley) 7/24/90
        !            19: .\"
        !            20: .Dd July 24, 1990
        !            21: .Os BSD 4.4
        !            22: .Dt MT 1
        !            23: .Os BSD 4
        !            24: .Sh NAME
        !            25: .Nm mt
        !            26: .Nd magnetic tape manipulating program
        !            27: .Sh SYNOPSIS
        !            28: .Nm mt
        !            29: .Op Fl f Ar tapename
        !            30: .Ar command
        !            31: .Op Ar count
        !            32: .Sh DESCRIPTION
        !            33: .Nm Mt
        !            34: is used to give commands to a magnetic tape drive.
        !            35: If a tape name is not specified, the environment variable
        !            36: .Ev TAPE
        !            37: is used;  if
        !            38: .Ev TAPE
        !            39: does not exist,
        !            40: .Nm mt
        !            41: uses the device
        !            42: .Pa /dev/rmt12 .
        !            43: Note
        !            44: that
        !            45: .Ar tapename
        !            46: must reference a raw (not block) tape device.
        !            47: By default
        !            48: .Nm mt
        !            49: performs the requested operation once.  Operations
        !            50: may be performed multiple times by specifying
        !            51: .Ar count  .
        !            52: .Pp
        !            53: The available commands are listed below.  Only as many
        !            54: characters as are required to uniquely identify a command
        !            55: need be specified.
        !            56: .Tp Cm eof , weof
        !            57: Write
        !            58: .Ar count
        !            59: end-of-file marks at the current position on the tape.
        !            60: .Tp Cm fsf
        !            61: Forward space
        !            62: .Ar count
        !            63: files.
        !            64: .Tp Cm fsr
        !            65: Forward space
        !            66: .Ar count
        !            67: records.
        !            68: .Tp Cm bsf
        !            69: Back space
        !            70: .Ar count
        !            71: files.
        !            72: .Tp Cm bsr
        !            73: Back space
        !            74: .Ar count
        !            75: records.
        !            76: .Tp Cm rewind
        !            77: Rewind the tape
        !            78: (Count is ignored).
        !            79: .Tp Cm offline , rewoffl
        !            80: Rewind the tape and place the tape unit off-line
        !            81: (Count is ignored).
        !            82: .Tp Cm status
        !            83: Print status information about the tape unit.
        !            84: .Tp
        !            85: .Pp
        !            86: .Nm Mt
        !            87: returns a 0 exit status when the operation(s) were successful,
        !            88: 1 if the command was unrecognized, and 2 if an operation failed.
        !            89: .Sh ENVIRONMENT
        !            90: If the following environment variable exists, it is utilized by
        !            91: .Nm mt .
        !            92: .Tw Fl
        !            93: .Tp Ev TAPE
        !            94: .Nm Mt
        !            95: checks the
        !            96: .Ev TAPE
        !            97: environment variable if the
        !            98: argument
        !            99: .Ar tapename
        !           100: is not given.
        !           101: .Sh FILES
        !           102: .Dw /dev/rmt*
        !           103: .Di L
        !           104: .Dp Pa /dev/rmt*
        !           105: Raw magnetic tape interface
        !           106: .Dp
        !           107: .Sh SEE ALSO
        !           108: .\".Xr mtio 4 ,
        !           109: .Xr dd 1 ,
        !           110: .Xr ioctl 2 ,
        !           111: .Xr environ 7
        !           112: .Sh HISTORY
        !           113: .Nm Mt
        !           114: appeared in 4.3 BSD.
        !           115: .\" mt.1: mtio(4) missing

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