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单选题
Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following?()
A
0 5 * * 6 /usr/local/bin/myscript
B
0 5 6 * * /usr/local/bin/myscript
C
6 * * 5 0 /usr/local/bin/myscript
D
5 0 Sat * * /usr/local/bin/myscript
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考题
单选题Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday()A
5 0 * * 6 /usr/local/bin/myscriptB
6 * * 5 0 /usr/local/bin/myscriptC
0 5 * * 6 /usr/local/bin/myscriptD
0 5 6 * * /usr/local/bin/myscript
考题
单选题Which command will run myscript and redirect stdout and sterr to /tmp/myoutput?()A
./myscript /tmp/myoutputB
./myscript 21 /tmp/myoutputC
./myscript /tmp/myoutput 21D
./myscript /tmp/myoutput 12
考题
单选题A system administrator wants to run a script called myscript, but does not want to see the errors that might be generated by the script. How would this be accomplished?()A
/usr/local/bin/myscript /dev/nullB
/usr/local/bin/myscript /dev/nullC
/usr/local/bin/myscript 2 /dev/nullD
/usr/local/bin/myscript 1 /dev/null
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