What is a shell in Linux?

• Hardware interface

• Software kernel

• Command interpreter

• Text editor

Which of the following is the default shell in most Linux distributions?

• Bourne Again Shell (bash)

• C shell (csh)

• Bourne shell (sh)

• Korn shell (ksh)

Which of the following is the correct syntax for an if statement in bash?

• if [ condition ]; then

• if condition: then

• if (condition); then

• if {condition}; then

Which of the following symbol is used to comment a line in shell scripts?

• //

• /* */

• #

• %%

What file extension is typically used for shell scripts?

• .sh

• .bash

• .txt

• .shell

What will the following script output?

i=5

while [ $i -gt 0 ]; do

echo $i

i=$((i-1))

done

• 5 4 3 2 1

• 1 2 3 4 5

• Infinite loop

• Error in syntax

How do you access the first argument passed to a shell script?

• $arg1

• $1

• $first

• $0

Which of the following is a scripting language for shell programming?

• Python

• Bash

• Java

• HTML

What does ksh stand for?

• Korn Shell

• Kernel Shell

• Key Shell

• Kermit Shell

What does the command echo $0 display in a script?

• The current shell

• The name of the script

• The first argument passed

• The last command executed