单选题A System p administrator needs to run the annualreval.sh script， directing standard error to /var/log/reval.err， and appending standard out to /var/log/reval.log. How can this be accomplished （）Aannualreval.sh 21 /var/log/reval.log 2 /var/log/reval.errBannualreval.sh 1/var/log/reval.log 2/var/log/reval.errCannualreval.sh 21 /var/log/reval.log /var/log/reval.errDannualreval.sh 1/var/log/reval.log 2/var/log/reval.err
单选题
A System p administrator needs to run the annualreval.sh script， directing standard error to /var/log/reval.err， and appending standard out to /var/log/reval.log. How can this be accomplished （）
A
annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err
B
annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err
C
annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err
D
annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err
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