We have provide here is the list of Linux MCQs for Computer Engineering preparation competitive exams. Each question has four options followed by the right answer.
MCQ Questions for Linux of Computer Science with Answers
Q1. What command is used with vi editor to delete three words?
(i) 3$d
(ii) 3 dw
(iii) 3 x
(iv) 3 dd
(ii) 3 dw
Q2. What command is used to remove files?
(i) dm
(ii) rm
(iii) delete
(iv) erase
(ii) rm
Q3. What command is used to summarize the disk usage?
(i) disk
(ii) du
(iii) fdisk
(iv) chkdsk
(ii) du
Q4. The prompt of the root user is
(i) @
(ii) #
(iii) %
(iv) $
(ii) #
Q5. To extract specific columns from a file, __ command is used
(i) cut command
(ii) grep command
(iii) ext command
(iv) cp command
(i) cut command
Q6. Which of the following command lists the last 10 lines of a file?
(i) grep
(ii) tail
(iii) head
(iv) cat
(ii) tail
Q7. What file contains the list of port numbers (and associated names) monitored by inetd?
(i) /etc/services
(ii) /etc/nsorder
(iii) /etc/nsswitch.conf/
(iv) /etc/hosts
(i) /etc/services
Q8. What command is used with vi editor to delete three words?
(i) 3$d
(ii) 3 dw
(iii) 3 x
(iv) 3 dd
(ii) 3 dw
Q9. How much of memory space is occupied by Linux?
(i) 4 MB
(ii) 6 MB
(iii) 8 MB
(iv) 12 MB
(i) 4 MB
Q10. Which command is used to add new user in linux system?
(i) tr command
(ii) usergrp command
(iii) useradd command
(iv) uniq command
(iii) useradd command
Q11. What are the appropriate Hex codes for setting Linux swap and Linux native partition types in fdisk?
(i) 82 and 83
(ii) 92 and 93
(iii) 63 and 64
(iv) 82 and 85
(i) 82 and 83
Q12. How many extended partitions can exist on one drive?
(i) 16
(ii) 4
(iii) 2
(iv) 1
(iv) 1
Q13. Which of the following command lists the last 10 lines of a file?
(i) grep
(ii) tail
(iii) head
(iv) cat
(ii) tail
Q14. What is the command that saves the files when the file actually exists?
(i) NN
(ii) DD
(iii) ZZ
(iv) YY
(iii) ZZ
Q15. Which command is used to display uid or gid?
(i) id command
(ii) gid command
(iii) uid command
(iv) pwd command
(i) id command
Q16. To create an installation boot floppy disk from Linux (or another Unix) machine, what command could you use?
(i) fdisk
(ii) fsck
(iii) dd
(iv) rawrite
(iii) dd
Q17. Which program is used to schedule particular jobs or programs at particular times on the system?
(i) vi
(ii) Outlook
(iii) Scheduler
(iv) cron
(iv) cron
Q18. Which of the following command is used to mount NFS filesystems?
(i) nfsmount
(ii) knfsd
(iii) mount
(iv) All of the above
(iii) mount
Q19. Which command takes data from one command to another command?
(i) Cat
(ii) Pipe
(iii) More
(iv) Tee
(ii) Pipe
Q20. Which command is used to display the top of file?
(i) head command
(ii) top command
(iii) tail command
(iv) lp command
(i) head command
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