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单选题
During a boot, which of the following procedures is most likely to present a menu that prompts the user to copy a dump?()
A

 Set the dump device to /dev/hd6. 

B

 Run sysdumpdev to set the force copy flag for dump to true. 

C

 Run sysdumpdev to set the force copy flag for dump to false. 

D

 Increase space in the /tmp directory. 


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