Linux Basic Questions

Identify the command which is used to remove files.

• delete

• rm

• dm

• erase

What command is used to remove the directory ?

• rmdir

• rm

• remove

• rdir

The prompt of the root user is

• $

• @

• #

• !

 

What is the core of the Linux operating system?

• Terminal

• Kernel

• command

• Directory

Choose the following statement is true or false: Directory is a type of file.

• True

• False

How do you get help about the command “cp”?

• • help cp

• • man cp

• • cd

• • None of the mentioned

Which option of rm command is used to remove a directory with all its sub directories

• -b

• -o

• -r

• -p

The expression expr -9 % 2 evaluates to:

• 1

• -1

• 0

• 2

Which expression use the value of the enclosed arithmetic expression?

• $(())

• $()

• ${}

• $[]

If a and b are 2 variables then the meaning of a<<=b is

• b = a << b

• a = a << b

• b = b << a

• a = a << b