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？（）
A.kill 201
B.cancel 201
C.disable pcl
D.rm /var/spool/lpd/STDIN.27648
您可能感兴趣的试卷
你可能感兴趣的试题
Given the following scripts， what output would be generated？（）
A.The sky is red.
B.The sky is blue.
C.The sky is green.
D.The sky is yellow.
Given the following scripts， both found in /usr/local/bin， what would the output be when executing /usr/local/bin/script1？（）
A.dog cat
B.dog fish
C.mouse cat
D.mouse fish
A.chmod +s /tmp
B.chmod 775 /tmp
C.chmod 1777 /tmp
D.chmod 4755 /tmp
While installing an application， the administrator is instructed to perform two final tasks prior to starting the application：
1.Set the ownership of a file named ’control_file’ to be owned by the user ’database’ and the group ’appsrvr’.
2.Change the permissions of ’control_file’ to 0766.
After these two tasks have been completed， what will the file permissions look like when ’ls -l control_file’ is executed？（）
A.-rwxrw-rw- 1 database appsrvr 4913 Mar 17 08：24 control_file
B.-rw-r--r-- 1 appsrvr database 4913 Mar 17 08：24 control_file
C.-rw-r--r-- 1 database appsrvr 4913 Mar 17 08：24 control_file
D.-rwxrw-rw- 1 appsrvr database 4913 Mar 17 08：24 control_file
A.chmod -R 775 /stuff
B.chmod -h 002 /stuff
C.chmod -R 577 /stuff
D.chmod ug+rwx，o+rx /stuff
A user reports that they cannot cd to /tmp/application. A system administrator entered the following command：
（1）ls -ld /tmp/application
（2）drw-r--r-- 4 root system 512 Jan 15 14：09 application
What is the most likely cause of the problem？（）
A.The /tmp/application should be globally writable.
B.The /tmp/application directory should be executable.
C.The /tmp/application directory should be owned by the user.
D.The /tmp/application directory should have the sticky bit set.
Given the following script， why does the output come out as an empty line instead of "dog"？（）
A.The $VAR variable was not exported
B.The $VAR should have been set as VAR
C.dog needs double quotes around it when setting $VAR
D.The { } should not be around VAR in the echo command
Review the following program.
What is the possible problem？（）
A.#!/bin/ksh line is missing
B.Variable name VAR is not properly initialized
C.Loop variable is not incremented inside the loop
D.Loop variable is not decremented inside the loop
A.ps -ef -t8
B.sar -u -p 8
C.vmstat -t 8
D.topas -p8 -n0 -d0
A.who /filesystem
B.lsfs /filesystem
C.fuser /filesystem
D.umount -f /filesystem
最新试题
A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）
A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）
A system administrator wants to give full read/write/excute access to the owner and group of the /stuff directory and all subdirectories and files， but only allow read/execute for others. What command would the administrator use？（）
A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state？（）
A company uses raw logical volumes. Which command can be used to back up the data in the raw logical volumes to a tape？（）
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？（）
Which command can a system administrator use to verify that a tape is in backup format and is readable by the system？（）
How does a system administrator add a new user to a system？（）
A system administrator would like to modify the system default user characteristics so that each new user will now be assigned （by default） the csh shell rather than the ksh shell. Which of the following actions should be performed？（）
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？（）