No op, is supposed to set the tape status only (to be read with
MTIOCGET
, see Query the tape status). For zftape
this results in reading the header segments if this hasn't been done
already and otherwise flushes the write buffers to tape (unless the
driver is off-line, see MTOFFL). This was a real no-op for ftape-2.x
resp. sftape.
mt
program but a
`mt status
' results in sending the MTNOP
command to the
drive before reading the tape status with MTIOCGET
mt -f /dev/nqft0 status
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