单选题The nice value is 80 in the ps listing.  Which command is used to change this to a value of 100?()Arenice 100 {PID}Brenice -n 20 {PID}Crenice --20 {PID}Drenice -n -100 {PID}

题目
单选题
The nice value is 80 in the ps listing.  Which command is used to change this to a value of 100?()
A

 renice 100 {PID}

B

 renice -n 20 {PID}

C

 renice --20 {PID}

D

 renice -n -100 {PID}


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参考答案和解析
正确答案: B
解析: 暂无解析