MCA-21
June Examination 2017
MCA IIIrd Year Examination
Linux System Administration
Paper MCA-21
Time 3 Hours Max. Marks 80
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 8 × 2 16
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
Define kernel.
What do you understand by open source?
What does rwx mean in octal?
What do you mean by LILO boot loader?
Write the command to remove all files in the system.
What is the mail server?
What do you understand by x-window system?
(viii) Write the command to list all processes in the system.
809
MCA-21 200 3 (P.T.O.)
MCA-21 200 3 (Contd.)
809
Section B 4 × 8 32
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 8 marks.
Write the differences internal and external commands in Linux.
Explain the meaning of wild card. List the different types of wild
cards.
Write the command to do the following:
Count the number of lines and words in file.
Sort a file and remove the duplicate lines
Create a file named book that contains the contents of
other two files part 1 and part 2.
List the files in working directory in the reverse alphabetic
order.
Discuss the comparison of various shells.
Explain configuration of FTP server and client.
Explain about file security in Linux.
What is the difference between a job and a process?
How do you suspend the foreground job?
Move a suspended job to the background
Bring back a suspended job to the foreground?
Explain the X window System. How it is different from other
Windows?
MCA-21 200 3
809
Section C 2 × 16 32
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
16 marks.
10) What is a variable in Linux? Write a shell script to lock your
terminal till you enter a password.
11) Write a short note on the following:
File types and permission
Partitioning the hard drive
12) Explain installation and configuration of DNS server.
13) Explain Linux file system with inode table structure.