1. What is the core of Linux operating system?
(A) command
(B) terminal
(C) kernel
(D) shell
2. Which command is used to remove the files?
(A) delete
(B) erase
(C) dm
(D) rm
3. Which of the following commands is used to check Linux version?
(A) kernel
(B) uname -a
(C) uname -n
(D) uname -s
4. Which command is used with vi editor to delete a single character?
(A) y
(B) z
(C) a
(D) x
5. Which command is used to create a file in Linux?
(A) echo
(B) touch
(C) cat
(D) none of these
6. Which of the following does the Linux operating system support?
(A) multi-Tasking
(B) multi User
(C) multi Process
(D) all of the above
7. Which service is used to translate domain names to IP addresses?
(A) DNS
(B) NFS
(C) SMB
(D) NIS
8. Which command do you use to create Linux file systems?
(A) mount
(B) mkfs
(C) fdisk
(D) fsck
9. Which is not a communication command?
(A) write
(B) mesg
(C) grep
(D) mail
10. Which command is used to display the characteristics of a process?
(A) du
(B) pid
(C) au
(D) ps
11. Which command is used to sort the lines of data in a file in alphabetical order?
(A) sort
(B) sort –r
(C) st
(D) sh
12. What server is used with the BIND package?
(A) dns
(B) named
(C) shttp
(D) httpd
