CompTIA认证考试
CompTIA认证考试LX0-101章节练习(2019.04.24)
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单项选择题
You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true?()
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单项选择题
You have just added a CD.ROM drive (/dev/hdd) to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom?()
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单项选择题
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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单项选择题
You have read/write permission on an ordinary file foo. You have just run In foo bar. What would happen if you ran rm foo?()
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单项选择题
Which of these commands allows you to use shared libraries that are in /usr/local/lib?()
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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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单项选择题
Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. What command entered into a bash initialization file will have bash recognize vi keystrokes after login?()
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填空题
Which program finds only files that are in your PATH?()
参考答案:
/USR/BINyWHICH
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填空题
What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2?()
参考答案:
KILLALL-SUSR1APACHE2
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单项选择题
What information is displayed by the command cat/proc/dma?()
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