单选题Which of the following commands should be used to tune parameters of devices that are displayed with lsattr?()A  chdevB  cfgmgrC  vmtuneD  schedtune

题目
单选题
Which of the following commands should be used to tune parameters of devices that are displayed with lsattr?()
A

 chdev

B

 cfgmgr

C

 vmtune

D

 schedtune

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