单项选择题

A.Issue the command：export EDITOR= usr bin edit edit ea……

Which action changes the default editor for ALL users on the system from vi to edit？（）

A.Issue the command：export EDITOR=/usr/bin/edit edit each users .profile to change the EDITOR value to /usr/bin/edit
B.Modify /.profile and change the EDITOR variable to /usr/bin/edit
C.Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITOR
D.Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit

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热门试题

单项选择题An administrator is investigating why a non-prompted NIM rte install is failing after the successful netboot of the spot. A matching spot and lpp_source are correctly allocated to the NIM client in addition to a bosinst_data. What is the most likely cause of the install failure？（）

A.The bosinst_data has an incorrect console defined.
B.The bosinst_data is incompatible with the level of spot.
C.The bosinst_data has an incorrect disk location defined.
D.The bosinst_data has an incorrect language option defined.

单项选择题DuringaNIMinstall，thesystemstopswiththeLEDcode611.Whatisthecauseoftheissue？（）

A.A failure to NFS mount filesystems from the NIM client
B.A failure to NFS mount filesystems from the NIM master
C.A failure to retrieve the tftp client info from the NIM master
D.A failure to retrieve the tftp server info from the NIM master

单项选择题Duringsystemboot，rootvgfailstovaryon，causinganLEDcodeof0552.Whatisthemostlikelycauseforrootvgnotvaryingon？（）

A.Missing blv
B.Network problem
C.Wrong boot table
D.Corrupted file system

单项选择题A SAN needs to undergo disruptive maintenance， which will effect a hosted production system with multiple applications and related volume groups， one of which， datavg， resides on the SAN. There is one spare disk in the system but it is smaller than datavg. How can application outages and risk of corruption be minimized？（）

A.Stop the applications in all data volume groups and shut the system down during the outage period.
B.Stop the applications in datavg，unmount all datavg filesystems，varyoff datavg，and export datavg.
C.Stop the applications in datavg，unmount all datavg filesystems，and reduce datavg by the SAN disks.
D.Use the ’cpvg’ command with the -z option to copy and compress datavg to different physical volumes.

单项选择题Whichcommandshouldbeusedtocapturenetworktrafficbetweenthelocalhostandahostnamed‘webserver’？（）

A.tcpdump webserver
B.tcpdump host webserver
C.tcpdump -hostname webserver
D.tcpdump -print -h webserver