A、administration
B、suggestion
C、approach
D、appearance
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A、/usr/local/bin/myscript > /dev/null B、/usr/local/bin/myscript < /dev/null C、/usr/local/bin/myscript 2> /dev/null D、/usr/local/bin/myscript 1> /dev/null
A、使用fdisk/dev/sdb命令删除所有分区 B、ddif=/dev/zeroof=/dev/sdbbs=1048576count=1 C、rm/dev/sdb？-f D、umount/dev/sdb？
A、Dev - 1 is the DR because it has a lower OSPF router ID B、Dev - 3 is the DR because it has a higher OSPF router priority C、Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority D、Dev - 3 is the DR because it has a lower OSPF router ID E、Dev - 1 is the DR because it has a higher OSPF router priority
A、tet1 -f /dev/rmt0 fsf 2; restore -xqvf /dev/rmt0 B、tet1 -f /dev/rmt0.1 fsf2; restore -Tvf /dev/rmt0.1 C、tet1 -f /dev/rmt0.1 fsf3; restore Tqvf /dev/rmt0.1 D、tet1 -f /dev/rmt0.1 fsf3; restore -Tvf /dev/rmt0.1
A、umount /mnt/hda3 /dev/hda3 B、umount /mnt/hda3 C、umount /dev/hda3 D、umount /dev/hda3 /dev/hda3 E、mount /mnt/hda3
A、tctl -f /dev/rmt0.1 fsf 2 ; tar -xv file3 B、tctl -f /dev/rmt0.0 fsf 3 ; dd if=file3 pf =/dev/mt0.1 C、tctl -f /dev/rmt0.1 fsf 2 ; dd if=/dev/rmt0.1 of=file3 D、tctl -f /dev/rmt0.0 fsf 3 ; dd if=/dev/rmt0.1 of=file3
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