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章节练习
CompTIA认证考试LX0-101章节练习(2019.04.23)
来源:考试资料网
1
Using vi, you want to save changes to the file myfile with :w!, but vi complains it cannot write to the file. Therefore, you want to check the write permissions on the file. To do this without leaving vi, you type:()
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2
What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?()
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3
Which of these commands allows you to use shared libraries that are in /usr/local/lib?()
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4
What is the difference between thE.remove and thE.purge action with the dpkg command?()
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5
Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?()
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6
Which system administration command you can use to update Id.so.cache after the installation of new shared libraries?()
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7.填空题
Which command (without options) would you use to display how much space is available on all mounted partitions?()
参考答案:
/BIN/DF
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8
You ran out of space and added a eighth disk to your SCSI-1 system. When you try to start, the system no longer boots. What is most likely the cause of this problem?()
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9
You wish to kill a process with a PID of 123. Select the command which exiting.()
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10
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?()
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