tlabel(1)                  DG/UX 4.30                   tlabel(1)



     NAME
          tlabel - initialize a tape with a volume label

     SYNOPSIS
          label [ -a ADN ] [ -d density ] [ -l IBM|ANSI ] [ -r  ] -v
          VSN

     DESCRIPTION
          tlabel writes a volume label onto a tape.  This initializes
          the tape for use with the other REELexchange commands.  All
          previous data on the tape is lost after application of this
          command.  This is the only REELexchange command which need
          not be sandwiched by the commands taccess and trelease. A
          tape must be labeled before it can be written or read by
          twrite and tread. The command tlabel -r reports the VSN of
          the labeled tape.

     OPTIONS
          -a ADN
               "Tape Drive." Specifies which tape drive to use.  The
               name specified should be one of the ADN files from the
               /var/reelexchange/adn directory.  If this option is not
               specified, the tape drive named in the file
               /var/reelexchange/default.adn will be used.

          -d density
               "Density." The density in bpi of the tape.  Common
               values are 1600, 3200, and 6250.  The density specified
               here should match the density field in the ADN file of
               the tape drive that is being accessed.  Default density
               is 1600.

          -l   "Format." Specifies the format of the tape - either IBM
               or ANSI.  Default format is ANSI.

          -r   "Read." Read and display the volume serial number of a
               tape.

          -v VSN
               "VSN." The Volume Serial Number(VSN).  All labeled
               tapes possess volume serial numbers by which they are
               identified. Good tape practice is to give each tape a
               unique volume serial number.  The VSN is a six
               character alphanumeric symbol.

     FILES
          /var/reelexchange/default.adn   File containing name of
                                          default tape drive.

          /var/reelexchange/Adn/*         Each file in this directory
                                          describes a tape drive on
                                          the system.  The name of one



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     tlabel(1)                  DG/UX 4.30                   tlabel(1)



                                          of these files is given with
                                          the -a option to specify a
                                          particular tape drive for
                                          I/O.

          /var/reelexchange/d_ibm         IBM label defaults.

          /var/reelexchange/d_ansi        ANSI label defaults.

     SEE ALSO
          reelexchange_intro(1), taccess(1), tdisplay(1), tkey(1),
          tposn(1), tread(1), trelease(1), tsniff(1), twrite(1).











































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