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

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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

單項選擇題

A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（）

A.Execute the command ’piobe -q PRINTER_B’
B.Edit the user’s stanza in the /etc/qconfig file
C.Execute the command ’chuser -a QUEUE=PRINTER_B user’
D.Add the line ’export PRINTER=PRINTER_B’ to the user’s .profile

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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？（）

你可能感興趣的試題

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

A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（）

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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？（）

A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（）