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1.填空題Which program finds only files that are in your PATH？（）

2 What information is displayed by the command cat/proc/dma？（）

3 What is the output when the following shell script executes？（）
cat<；<；foobar
Hello foobar
foobar

4 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？（）

5 Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

6 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：（）

7 To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）

8.填空題What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）

9.填空題USB fax/modems that conform to this subclass of the Communication Device Class （CDC） vendor neutral standard are Linux compatible （answer is a 3 letter acronym）.（）

10 What command will print a list of usernames （first column） and their corresponding user id （uid， third column） from /etc/passwd？（）

CompTIA認證考試LX0-101章節(jié)練習(2019.05.09)