單項選擇題

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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單項選擇題

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/null
B./usr/local/bin/myscript < /dev/null
C./usr/local/bin/myscript 2> /dev/null
D./usr/local/bin/myscript 1> /dev/null

單項選擇題

Which command will run myscript and redirect stdout and sterr to /tmp/myoutput？（）

A../myscript >> /tmp/myoutput
B../myscript 2>&1 /tmp/myoutput
C../myscript > /tmp/myoutput 2>&1
D../myscript > /tmp/myoutput &1>2

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Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）

你可能感興趣的試題

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？（）

Which command will run myscript and redirect stdout and sterr to /tmp/myoutput？（）

Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）

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？（）

Which command will run myscript and redirect stdout and sterr to /tmp/myoutput？（）