MPE/iX System Utilities Reference Manual (32650-90908)

Chapter 6
DISCUTIL
Operation
91
TAPE
Use the TAPE command to display the ldev number of the current tape or to specify a new current tape. If
the ldev parameter is omitted, the current tape ldev is displayed. If the ldev parameter is supplied, that
ldev will become the new tape ldev. The ldev must have been configured as a tape.
To invoke TAPE enter:
discutil>TAPE [ [LDEV=]ldev]