单项选择题
A.tar B.tctl C.tcopy D.restore
InwhichdirectoryarethebasicLinuxcommandssuchasgzip，gunz...
单项选择题In which directory are the basic Linux commands such as gzip， gunzip and zcat installed？（）
A./opt/freeware/bin B./usr/bin/freeware C./var/freeware/bin D./usr/sbin/freeware
Asystemadministratorhasanapplicationthathasthedatainvol...
单项选择题A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors？（）
A.savevg -mf /dev/rmt0 appvg B.savevg -cvf /dev/rmt0 appvg C.savevg -xvf /dev/rmt0 appvg D.savevg -f /dev/rmt0 -V appvg
ApSeriesserverisbeingusedasafileserverandalldataisstore...
单项选择题A pSeries server is being used as a file server and all data is stored on a non-root volume group and resides on mounted filesystems. Which of the following commands provides the quickest way to backup all of the data and filesystem definitions？（）
A.tar B.cpio C.savefs D.savevg
