Quiz 2

Which command reads user input from the terminal and assign this value to a variable name?

• get

• read

• set

• echo

Which one of the following statement is true about variables in shell?

• variables do not require declaration before assigning value to them

• variables are case sensitive

• to extract the contents of a variable, we have to provide the variable a preceding $

• all of the mentioned

What is the output of this program?

1. var1=10

2. $var1=20

3. echo $var1

4. exit 0

• program will print 10

• program will generate a warning message

• program will print 20

• program will print 10 & 20

Which command is used to display the operating system name

• unix

• os

• kernel

• uname

Which command changes a file’s group owner

• cgrp

• chgrp

• change

• group

Which command is used to extract a column from a text file

• cut

• paste

• get

• tar

Which command is used to display disk consumption of a specific directory

• du

• dd

• ds

• df

Command used to count number of character in a file is

• grep

• wc

• cut

• count

Which of these commands could you use to show one page of output at a time?

• less

• more

• print

• echo

pwd command displays

• user password

• password file content

• present working directory

• none of the mentioned