单选题Which of the following statements is TRUE about the primary system dump device?（）A It is shared. B It must be /dev/hd6. C It must be an internal disk. D It can be an external device.
单选题
Which of the following statements is TRUE about the primary system dump device?（）
A
It is shared.
B
It must be /dev/hd6.
C
It must be an internal disk.
D
It can be an external device.
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