单项选择题
A System p administrator suspects they are receiving an error from one of their nightly cron jobs. The job is： 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by this cron job（）
A./var/log/syslog.out
B.var/log/cron.log
C./var/spool/cron/logs
D.mail
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单项选择题
ASystempadministratorsuspectstheyarereceivinganerrorfromoneoftheirnightlycronjobs.Thejobis：01***/usr/local/bin/nightlycheck.plWhereshouldtheadministratorfirstlookforerrorsreportedbythiscronjob（）
A./var/log/syslog.out
B./var/log/cron.log
C./var/spool/cron/logs
D.mail -
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An application is no longer required to start up automatically at system boot. Which of the following supported procedures would the administrator use to accomplish this（）
A.Edit the /etc/inittab and comment out the entry that starts the application by placing a at the beginning of the line.
B.Use the chitab command.
C.Use the rmitab command.
D.Edit the /etc/reboot file to remove the entry that starts the application. -
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An administrator is attempting to update a software product. The install is interrupted by a system failure. Which of the following commands would be used to clean up the improperly applied filesets（）
A.Ippchk -C
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