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Of Disk and Tape Taxonomy, Philosophy?

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The Question is:

Whats with the OpenVMS DCL Dictionary dumentation for Lexical Function F$DEVICE
 for Disks.  Table DCLI-8 Values Returned by the DEVTYPE.  Item "14 TU58" and
 "47 TU56" both don't look like disks to me.

The Answer is :

  The TU56 and TU58 devices are the DECtape tape and the DECtape II cartridge
  tape devices, respectively.  Both of these tape devices are fully capable
  of random read-write access, and are thus (correctly) classed as disks.
  For additional details on the TU58 cartridge tape device, please see the
  OpenVMS I/O User's Reference Manual.

answer written or last revised on ( 10-FEB-2003 )

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