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1.1 ! root 1: .\" Copyright (c) 1980 Regents of the University of California. ! 2: .\" All rights reserved. The Berkeley software License Agreement ! 3: .\" specifies the terms and conditions for redistribution. ! 4: .\" ! 5: .\" @(#)mt.1 6.2 (Berkeley) 5/9/86 ! 6: .\" ! 7: .TH MT 1 "May 9, 1986" ! 8: .UC 4 ! 9: .SH NAME ! 10: mt \- magnetic tape manipulating program ! 11: .SH SYNOPSIS ! 12: .B mt ! 13: [ ! 14: .B \-f ! 15: .I tapename ! 16: ] ! 17: .I command ! 18: [ ! 19: .I count ! 20: ] ! 21: .SH DESCRIPTION ! 22: .I Mt ! 23: is used to give commands to a magnetic tape drive. ! 24: If a tape name is not specified, the environment variable ! 25: TAPE is used; if TAPE does not exist, ! 26: .I mt ! 27: uses the device ! 28: .IR /dev/rmt12 . ! 29: Note ! 30: that ! 31: .I tapename ! 32: must reference a raw (not block) tape device. ! 33: By default ! 34: .I mt ! 35: performs the requested operation once. Operations ! 36: may be performed multiple times by specifying ! 37: .IR count . ! 38: .PP ! 39: The available commands are listed below. Only as many ! 40: characters as are required to uniquely identify a command ! 41: need be specified. ! 42: .TP ! 43: .BR eof , " weof" ! 44: Write ! 45: .I count ! 46: end-of-file marks at the current position on the tape. ! 47: .TP ! 48: .B fsf ! 49: Forward space ! 50: .I count ! 51: files. ! 52: .TP ! 53: .B fsr ! 54: Forward space ! 55: .I count ! 56: records. ! 57: .TP ! 58: .B bsf ! 59: Back space ! 60: .I count ! 61: files. ! 62: .TP ! 63: .B bsr ! 64: Back space ! 65: .I count ! 66: records. ! 67: .TP ! 68: .B rewind ! 69: Rewind the tape ! 70: .RI ( Count ! 71: is ignored). ! 72: .TP ! 73: .BR offline , " rewoffl" ! 74: Rewind the tape and place the tape unit off-line ! 75: .RI ( Count ! 76: is ignored). ! 77: .TP ! 78: .B status ! 79: Print status information about the tape unit. ! 80: .PP ! 81: .I Mt ! 82: returns a 0 exit status when the operation(s) were successful, ! 83: 1 if the command was unrecognized, and 2 if an operation failed. ! 84: .SH FILES ! 85: .DT ! 86: /dev/rmt* Raw magnetic tape interface ! 87: .SH "SEE ALSO" ! 88: mtio(4), dd(1), ioctl(2), environ(7)
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