单项选择题
A. foo ; lsps -s
B. tprof -kx ; foo
C. iostat ; foo ; iostat
D. vmstat -s ; foo ; vmstat s
单项选择题 Asystemadministratorwouldliketoresetstatisticstoinitialvaluespriortocollectingdevicestatisticsonent0interface.Whichofthefollowingcommandsshouldberuntoaccomplishthis?()
单项选择题 WhichofthefollowingcommandsshouldbeusedtoshowDNSinformation?()
单项选择题 Whenmonitoringasystemusingvmstatwithaninterval,themetricsunderpageporepresentwhichofthefollowingphrases?()