640-760 practice - PrepKeys

Q5 Single choice

Refer to the UNIX shell script below. Which one of the statements is true?

dir=/var/adm/CSCOpx/files/rme/dcma/devfiles
log=/tmp/removeDcmaFiles.log
echo "Starting removeDcmaFiles cron job `date`" >> $log for i in `ls $dir`; do
Â length=`ls -lrt $dir/$i/PRIMARY/RUNNING/ | wc -l`
Â h=`expr $length - 3`
Â for j in `ls -rt $dir/$i/PRIMARY/RUNNING/ | head -$h`;do ÂÂ echo "rm -rf $dir/$i/PRIMARY/RUNNING/$j"
>> $log
ÂÂ rm -rf $dir/$i/PRIMARY/RUNNING/$j
Â done
done

A
The following will be printed to the screen when the script is executed: Starting removeDcmaFiles cron
job `date`
B
The following will be printed to the screen when the script is executed, but `date` will be replaced by the
actual date as known by the operating system: Starting removeDcmaFiles cron job `date`
C
The following will be printed to the screen multiple times: rm -rf $dir/$i/PRIMARY/RUNNING/$j
D
Nothing will be printed to the screen if the script executes without error.