TAPE DEVICE:
mt -f /dev/st0 status
-->when the cassete is in:BOT ONLINE,out:DR_OPEN
rewoff --> rewind , eject
eject --> eject cassete
tell --> position on the tape
tar cvf /dev/st0 /root --> backup all /root dir
tvf /dev/st0 --> shows what is inside
xvf /dev/st0 home/ronen
--> restores from backup home/ronen to current dir
info:
every tar command writes on the tape and
removes all previos data
err:
error is not recovareble: exiting now:
the tape is not inside
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