LinkedIn Insight BSc.-Linux-Mumbai-April 2018 - Grad Plus

BSc.-Linux-Mumbai-April 2018

MUMBAI UNIVERSITY

Subject: Linux

Semester: 2

 

[Total Time: 2¼]
[Total Marks: 75]
N.B.1) All questions are compulsory.
2) Figures to the right indicate marks.
3) Illustrations, in-depth answers, and diagrams will be appreciated.
4) Mixing of sub-questions is not allowed.
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Q.1) Attempt All (Each of 5Marks) (15M)

A) Multiple Choice Questions.

1) Which of the following OS is not based on Linux?
a) Ubuntu              b) Redhat                 c) BCD                    d) None of the above

2) In Linux everything stored as a……
a) File                    b) Directory              c) Executable file    d) all of the above

3) Which represents the user home directory?
a) /                        b) .                            c) ..                          d)

4) Which of the following is a text editor
a) GNOME            b) LILO                        c) emacs                 d) none of the above

5) The command “awk (print $1; san txt” will
a print the first line of file san.txt
b) print the first field of every line in san.txt
c) generate syntax error
d) None of the above

 

B) Fill in the blanks.

1) Man pages are called as _________________.

2) GRUB is nothing but ___________________.

3) Purpose of who command is ____________________.

4) The sed is nothing but _______________.

5) The purpose of head command is ______________.

 

C) Short Answers.

1) State the rules for writing a file name in Linux

2) What do you mean by arch?

3) Define the term RPM and DEB.

4) What do you mean by shell?

5) Provide the syntax of my command.

 

Q. 2) Attempt the following (Any THREE) (Each of 5Marks) (15M)

a) Diagrammatically explains the relationship between User-Shell-Kernel in Linux architecture.

b) Define the following terminology used in Linux:-
Desktop Environment, Package Service, Terminal, root.

c) Differentiate between Linux kernel and Distribution.

d) Give the steps for boot process in Linux.

e) Define process. Explain ps command with its options and usage.

f) Discuss the importance of Linux in the software ecosystem is Servers and Supercomputers.

 

Q. 3) Attempt the following (Any THREE) (Each of 5Marks) (15M)

a) What is the purpose of the following network management commands: ifconfig, ping, netstat dig, nslookup.

b) Define environment variables. Explain its types.

c) Explain the basic commands with examples. cat, cp, mv, rm, pwd.

d) Discuss Linux Documentation commands: – man, GNU info, and help.

e) Diagrammatically explains Filesystem architecture.

f) Write a note on emacs editor.

 

Q. 4) Attempt the following (Any THREE) (Each of 5 Marks) (15M)

a) Explain ssh in detail.

b) Define Network protocol. Explain in detail HTTP.

c) What is the purpose of following commands? Give a suitable example, ssh, telnet, ping, traceroute, hostname.

d) Give and explain the syntax of if …else and if…elil…else command with example.

e) What are the uses of root in Linux system? Explain.

f) Write a shell script to read a filename from the user, check whether it is an ordinary or directory file or any other type of file

 

Q. 5) Attempt the following (Any THREE) (Each of Marks) (15M)

a) Explain the meaning of shutdown command with following options -r, -h, -p, Time, message

b) Which are the columns of 1s -1 command? Explain.

c) Give and explain sed syntax. Also, explain with examples the meaning of q, p, d, !, = action commands in sed.

d) Give the purpose of the following regular expression characters:- ^,$,*?,( )

e) Explain the following compression commands:-
bzip2, bzcat, bunzip2, gzip, gunzip
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