单项选择题

Which of the following commands can be used to show all disks configured on the system?（）

A. lsdev -C disk
B. lsdev -P disk
C. lsdev -Cc disk
D. lsdev -Pc disk

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单项选择题

An operator needs to create /dir1/dir2/dir3. The /dir1 does not exist. What command can be used to create dir2 and dir3?（）

A. mkdir /dir1/dir2/dir3
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单项选择题

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