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Код: Выделить всё

ll /dev | grep cd
crw-rw-rw-  1 root  operator    0, 105 10 сен 17:15 acd0
crw-r-----  1 root  operator    0, 127 15 сен 10:32 acd0t01
crw-rw-rw-  1 root  operator    0, 106 10 сен 17:15 cd0
...........
dd if=/dev/cd0 of=/usr/myvm/ddd
dd: /dev/cd0: Invalid argument
0+0 records in
0+0 records out
0 bytes transferred in 0.000266 secs (0 bytes/sec)
...............
dd if=/dev/acd0 of=/usr/myvm/ddd
dd: /dev/acd0: Invalid argument
0+0 records in
0+0 records out
0 bytes transferred in 0.000271 secs (0 bytes/sec)
...............

Код: Выделить всё

dd if=/dev/ad4 of=/usr/myvm/ddd count=5000
5000+0 records in
5000+0 records out
2560000 bytes transferred in 1.326414 secs (1930016 bytes/sec)