QuizApi - Top Bash/Linux Interview questions

Question 1

Correct Answers: 1/4

#!/bin/bash is commonly called as

hashbang

Script Initialiser

shebang

None of the Above

Question 2

Correct Answers: 1/4

What is the ls switch to view the inode numbers

-n

-d

-i

-a

Question 3

Correct Answers: 1/4

Which command is used to print the directory stack?

dir

ls -d

popd

dirs

Question 4

Correct Answers: 1/4

Choose the option to remove write permission for group & others for a file “a.txt”.

chmod go-w a.txt

chmod w-go a.txt

Select disable write for group and others where file=”a.txt”

chmod go=”r-x” a.txt

Question 5

Correct Answers: 1/5

What is the command ‘sed’ is used for?

Used as text filter

To mount a device

None of the above

To perform arithmetic calculations

Is a text editor.

Question 6

Correct Answers: 1/4

How can you display the top 10 number of lines of a file?

head -f 10 file.txt

head --display-only 10 file.txt

head −n 10 file.txt

head -show 10 file.txt

Question 7

Correct Answers: 1/4

What is the default value of UMASK?

044

777

022

222

Question 8

Correct Answers: 1/4

What is an internal command?

Shell commands which are executed on the local machine are called internal commands.

Every command which comes with the default installation of Linux is called internal command with some small exceptions like really old commands.

Shell built in commands are called as internal commands.

Every command which has been developed by the new generation of Linux is considered an internal command.

Question 9

Correct Answers: 1/4

How can we list out all currently executing background processes?

top

ps faux

ps -e

proccess -aux

Question 10

Correct Answers: 1/4

Which operator can be used to throw a process into background?

Question 11

Correct Answers: 1/4

Which command can be used to change file access permission bits?

chown

umask

chmod

chperm

Question 12

Correct Answers: 1/4

What is inode?

A directory is given a unique number by OS and is called as inode.

A file is given a predifined number by OS and is called as inode.

A file is given a unique number by OS and is called as inode.

A directory is given a predifined number by OS and is called as inode.

Question 13

Correct Answers: 1/4

Which command can be used to display basic information about your server?

info

uname

show

Question 14

Correct Answers: 1/4

How to define an array in bash

array=[“Hi” “my” “name” “is”]

array=[[“Hi” “my” “name” “is”]]

array=(“Hi” “my” “name” “is”)

array=((“Hi” “my” “name” “is”))

Question 15

Correct Answers: 1/4

How will you pass and access arguments to a script in Linux/Bash?

scriptName -arg “Arg1” “Arg2”….”Argn” and can be accessed inside the script as $1 , $2 .. $n.

scriptName "Arg1 Arg2….Argn” and can be accessed inside the script as $1 , $2 .. $n.

scriptName “Arg1” “Arg2”….”Argn” and can be accessed inside the script as $1 , $2 .. $n.

scriptName “Arg1” “Arg2”….”Argn” and can be accessed inside the script as $Arg1 , $Arg2 .. $Argn.

Question 1

#!/bin/bash is commonly called as

Question 2

What is the ls switch to view the inode numbers

Question 3

Which command is used to print the directory stack?

Question 4

Choose the option to remove write permission for group & others for a file “a.txt”.

Question 5

What is the command ‘sed’ is used for?

Question 6

How can you display the top 10 number of lines of a file?

Question 7

What is the default value of UMASK?

Question 8

What is an internal command?

Question 9

How can we list out all currently executing background processes?

Question 10

Which operator can be used to throw a process into background?

Question 11

Which command can be used to change file access permission bits?

Question 12

What is inode?

Question 13

Which command can be used to display basic information about your server?

Question 14

How to define an array in bash

Question 15

How will you pass and access arguments to a script in Linux/Bash?

Finish Quiz