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mt(1) General Commands Manual mt(1) NAME mt - Magnetic tape manipulating program SYNOPSIS mt [-f tape_device] command [count] The mt program gives commands to a magnetic tape drive. OPTIONS Specifies the tape device to be manipulated. DESCRIPTION If you do not specify a tape name with the -f option, the TAPE environ- ment variable is used; if TAPE does not exist, mt uses the /dev/nrmt0h device. Note that tape_device must refer to a raw (not block) tape de- vice. By default, mt performs the requested operation once. Opera- tions can be performed more than once by specifying count. The following commands are available: Writes count End-of-File marks at the current position on the tape. Forward spaces count files. Forward spaces count records. Backspaces count files. Backspaces count records. Rewinds the tape (count is ignored). Rewinds the tape and places the tape unit offline (count is ignored). Prepares a SCSI tape for removal from the device. Not all SCSI tape drives support this functionality. Bring a SCSI tape to the ready state if a tape is in the tape path. Currently, this command is only supported in the SCSI/CAM tape driver. Not all SCSI tape drives support this function- ality. Space to end of recorded data. Currently, this command is only supported in the SCSI/CAM tape driver. Not all SCSI tape drives support this functionality. Prints status information about the tape unit. Only as many characters as are required to uniquely identify a command need to be specified. EXIT STATUS The mt command returns the following exit status: Success. Command was unrecognized. Operation failed. FILES Raw magnetic tape interface with no rewind when closed. Raw magnetic tape interface with rewind when closed. SEE ALSO Commands: dd(1) Functions: ioctl(2) mt(1)