单选题A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）Asar Biostat Csvmon Dfilemon
题目
单选题
A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）
A
sar
B
iostat
C
svmon
D
filemon