單項選擇題

An administrator has a server experiencing performance problems with logical volumes within a particular volume group.
Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）

A.Islv
B.vmstat
C.iostat
D.Ivmstat

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單項選擇題

Which of the following commands can be used to prepare a system to physically insert a PCI hot plug adapter（）

A.mkdev
B.cfmgr
C.drslot
D.lsslot

單項選擇題

A System p customer has installed components from the Linux ToolBox. By default， which of the following directories will contain the open source commands such as gzip， gunzip and zcat（）

A./opt/freeware/bin
B./usr/bin/freeware
C./var/freeware/bin
D./usr/sbin/freeware