CompTIA认证考试LX0-101章节练习(2018.12.25)

单项选择题
You are looking for an executable file foo. Select the command that would search forfoo within directories set in the shell variable， PATH.（）
A. locate
B. which
C. find
D. query
E. whereis
单项选择题
Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）
A. export LD_PRELOAD=/usr/local/lib
B. export LD_LIBRARY_PATH=/usr/local/lib
C. Idconfig /usr/local/lib
D. Idd/usr/local/lib
单项选择题
What is the difference between thE.remove and thE.purge action with the dpkg command？（）
A. -remove removes the program， -purge also removes the config files
B. -remove only removes the program， -purge only removes the config files
C. -remove removes a package， -purge also removes all packages dependent on it
D. -remove removes only the package file itself， -purge removes all files related to the package
单项选择题
Given the following output： prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）
A. bg myapp
B. continue myapp
C. exec myapp
D. fg myapp
E. myapp &
多项选择题
What does the Filesystem Hierarchy Standard enable？（）
A. software to predict the location of installed files and directories
B. software to predict the ownership and access rights to files and directories
C. users to predict the location of installed files and directories
D. users to predict how the filesystem should be formatted according to need
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？（）
A. cut -d： -f 1，3 /etc/passwd
B. chop -c 1，3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd
单项选择题
You wish to kill a process with a PID of 123. Select the command which exiting.（）
A. kill-1 123
B. kill-9 123
C. kill-15 123
D. kill-17 123
单项选择题
You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications？（）
A. Run ext2fs ACL.
B. Use a hard link.
C. Use a symbolic link.
D. Use the loopback device.
E. Create a block device offset.
单项选择题
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？（）
A. nouidchk
B. alluser
C. user
D. auto
单项选择题
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：（）
A. ：!ls-I myfile
B. ：\ls-l myfile
C. esc ：Is -I myfile
D. ：？ls-l myfile

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CompTIA认证考试LX0-101章节练习(2018.12.25)

You are looking for an executable file foo. Select the command that would search forfoo within directories set in the shell variable， PATH.（）

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

What is the difference between thE.remove and thE.purge action with the dpkg command？（）

Given the following output： prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）

What does the Filesystem Hierarchy Standard enable？（）

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

You wish to kill a process with a PID of 123. Select the command which exiting.（）

You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications？（）

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？（）

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：（）

CompTIA认证考试LX0-101章节练习(2018.12.25)

You are looking for an executable file foo. Select the command that would search forfoo within directories set in the shell variable， PATH.（）

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

What is the difference between thE.remove and thE.purge action with the dpkg command？（）

Given the following output： prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）

What does the Filesystem Hierarchy Standard enable？ （）

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

You wish to kill a process with a PID of 123. Select the command which exiting.（）

You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications？（）

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？（）

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：（）

What does the Filesystem Hierarchy Standard enable？（）