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Linux 2.6 - man page for mt (linux section 1)

MT(1)											    MT(1)

NAME
       mt - control magnetic tape drive operation

SYNOPSIS
       mt [-V] [-f device] [--file=device] [--rsh-command=command] [--version] operation [count]

DESCRIPTION
       This  manual page documents the GNU version of mt.  mt performs the given operation, which
       must be one of the tape operations listed below, on a tape drive.

       The default tape device to operate on is taken from the file /usr/include/sys/mtio.h  when
       mt  is  compiled.   It  can  be overridden by giving a device file name in the environment
       variable TAPE or by a command line option (see below), which also overrides  the  environ-
       ment variable.

       The  device must be either a character special file or a remote tape drive.  To use a tape
       drive on another machine as the archive, use a filename that starts with `HOSTNAME:'.  The
       hostname  can be preceded by a username and an `@' to access the remote tape drive as that
       user, if you have permission to do so (typically  an  entry  in	that  user's  `~/.rhosts'
       file).

       The  available  operations  are listed below.  Unique abbreviations are accepted.  Not all
       operations are available on all systems, or work on all types of tape drives.  Some opera-
       tions  optionally  take	a  repeat  count, which can be given after the operation name and
       defaults to 1.

       eof, weof
	      Write count EOF marks at current position.

       fsf    Forward space count files.  The tape is positioned on the first block of	the  next
	      file.

       bsf    Backward	space count files.  The tape is positioned on the first block of the next
	      file.

       fsr    Forward space count records.

       bsr    Backward space count records.

       bsfm   Backward space count file marks.	The tape is positioned on  the	beginning-of-the-
	      tape side of the file mark.

       fsfm   Forward  space  count  file marks.  The tape is positioned on the beginning-of-the-
	      tape side of the file mark.

       asf    Absolute space to file number count.  Equivalent to rewind followed by fsf count.

       seek   Seek to block number count.

       eom    Space to the end of the recorded media  on  the  tape  (for  appending  files  onto
	      tapes).

       rewind Rewind the tape.

       offline, rewoffl
	      Rewind the tape and, if applicable, unload the tape.

       status Print status information about the tape unit.

       retension
	      Rewind the tape, then wind it to the end of the reel, then rewind it again.

       erase  Erase the tape.

       mt  exits with a status of 0 if the operation succeeded, 1 if the operation or device name
       given was invalid, or 2 if the operation failed.

   OPTIONS
       -f, --file=device
	      Use device as the file name of the tape drive to operate on.  To use a  tape  drive
	      on  another machine, use a filename that starts with `HOSTNAME:'.  The hostname can
	      be preceded by a username and an `@' to access the remote tape drive as that  user,
	      if  you  have  permission  to  do so (typically an entry in that user's `~/.rhosts'
	      file).

       --rsh-command=command
	      Notifies mt that it should use command to communicate with remote  devices  instead
	      of /usr/bin/ssh or /usr/bin/rsh.

       -V, --version
	      Print the version number of mt.

REPORTING BUGS
       Report cpio bugs to bug-cpio@gnu.org

       GNU cpio home page: <http://www.gnu.org/software/cpio/>

       General help using GNU software: <http://www.gnu.org/gethelp/>

       Report cpio translation bugs to <http://translationproject.org/team/>

											    MT(1)


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