Disk-io question.

R. Clayton (rclayton@monmouth.edu)
(no date)

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  Do you expect us to use the Unix System calls open(), read(), close() and so
  on to read the batch disks?

You're working with (simulated) bare hardware. Bare hardware doesn't support
open(), close() or any of the Unix system calls; it supports disk-io via the
disk command registers. Your os should be issuing disk-io commands to read the
disk.

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