Question 1

Which command(s) is/are used to get help about a command in Linux?

Accepted Answer

A) info 
B) man 
C) None of these 
D) Both a and b A

Question 2

What command is used with vi editor to delete a single character?

Accepted Answer

A) x 
B) y 
C) a 
D) None of the above A

Question 3

Which command is used to copy entire directory?

Accepted Answer

A) cp -r 
B) cp -i 
C) cp 
D) none of these A

Question 4

Which option of ls command used to view file inode number

Accepted Answer

A) -l 
B) -o 
C) -a 
D) -i

Question 5

Maximum how long can a Linux filename be?

Accepted Answer

A) 128 bytes 
B) 255 bytes 
C) 32 bytes 
D) 64 bytes

Question 6

Which of the following is not an editor?

Accepted Answer

A) expr 
B) vi 
C) emacs 
D) ex

Question 7

mv command can be used to ?

Accepted Answer

A) Move the file to different directory. 
B) Renaming a file 
C) Both a and b. 
D) Only a.

Question 8

Which command is used to set terminal IO characteristic?

Accepted Answer

A) tty 
B) ctty 
C) ptty 
D) sty

Question 9

Which of the following command is used to count number of lines in a file?

Accepted Answer

A) wc -l 
B) wc -c 
C) wc -w 
D) None of these

Question 10

Which directory in Linux contains all the config file of the system?

Accepted Answer

A) /etc 
B) /var 
C) /lib 
D) /bin

Question 11

Which command is used to print the login shell of an user?

Accepted Answer

A) echo $SHELL 
B) echo $LOGIN 
C) echo $LSHELL 
D) None of the Above

Question 12

Which of the following command can be used as an alternative to echo command?

Accepted Answer

A) print 
B) printr 
C) printf 
D) none of these

Question 13

Which special character should be avoided during naming a file?

Accepted Answer

A) .(dot) 
B) $ 
C) _(underscore) 
D) -(Hyphen)

Question 14

Which command is used to get the kernel version in Linux?

Accepted Answer

A) uname -r 
B) kernel 
C) uname -n 
D) uname -s

Question 15

In Linux everything stored as a

Accepted Answer

A) file 
B) directory 
C) executables 
D) None of the above

Question 16

In a date +format, you add the hour in 24 hours format using:

Accepted Answer

A) %f 
B) %H 
C) %F 
D) %h

Question 17

Which command is used see the list of users who are currently logged-in?

Accepted Answer

A) login 
B) users 
C) who 
D) which

Question 18

What is the right command to save file and exit in Vim?

Accepted Answer

A) :wq 
B) :a 
C) :q 
D) :q!

Question 19

Suppose I am in /etc directoy, after executing cd .(single dot), where am I now?

Accepted Answer

A) /etc 
B) /(root) 
C) /home 
D) None of these

Exam 1: Linux Command Line Basics