CompTIA认证考试
单选题You wish to kill a process with a PID of 123. Select the command which exiting.()
单选题What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?()
单选题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?()
单选题What is the output when the following shell script executes?() cat<;<;foobar Hello foobar foobar
单选题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?()
单选题What information is displayed by the command cat/proc/dma?()
多选题What does the Filesystem Hierarchy Standard enable? ()
单选题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?()
填空题Which command (without options) would you use to display how much space is available on all mounted partitions?()
单选题In xorg.conf, which section is concerned with fonts?()
单选题Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?()
单选题You are looking for an executable file foo. Select the command that would search forfoo within directories set in the shell variable, PATH.()
单选题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?()
单选题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?()
单选题What is the difference between thE.remove and thE.purge action with the dpkg command?()
单选题Which of these commands allows you to use shared libraries that are in /usr/local/lib?()
单选题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?()
单选题Which Debian package system command will list all partially installed packages and suggest how to get them correctly installed?()
单选题The command echo $! will produce what output?()
单选题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:()
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