单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A foo ； lsps -sB tprof -kx ； fooC iostat ； foo ； iostatD vmstat -s ； foo ； vmstat s
单选题
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）
A
foo ； lsps -s
B
tprof -kx ； foo
C
iostat ； foo ； iostat
D
vmstat -s ； foo ； vmstat s
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