单项选择题
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
单项选择题 A 1500 page print job was sent to the "pcl" queue. The job was running for several minutes before it was determined that the job was not needed. What can be done to delete the job？（）
单项选择题 Given the following scripts， what output would be generated？（）
单项选择题 Given the following scripts， both found in /usr/local/bin， what would the output be when executing /usr/local/bin/script1？（）