单选题The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）Arenice -n -20 {PID}Brenice -n 20 {PID}Crenice -n -40 {PID}Drenice -n 40 {PID}
题目
单选题
The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）
A
renice -n -20 {PID}
B
renice -n 20 {PID}
C
renice -n -40 {PID}
D
renice -n 40 {PID}