LCA Shell Scripting & Automation

Question 1

Which symbol is used to start a comment line in a shell script?

Accepted Answer

#

Answer

//

Answer

--

Answer

/*

Question 2

What command runs a shell script named 'myscript.sh'?

Accepted Answer

sh myscript.sh

Answer

execute myscript.sh

Answer

run myscript.sh

Answer

start myscript.sh

Question 3

Which command gives execute permission to a shell script?

Accepted Answer

chmod +x

Answer

chmod +r

Answer

chmod +w

Answer

chmod 7777

Question 4

What does the 'echo' command do in a shell script?

Accepted Answer

Prints output

Answer

Reads input

Answer

Executes commands

Answer

Terminates script

Question 5

Which variable holds the name of the currently running script?

Accepted Answer

$0

Answer

$1

Answer

$@

Answer

$#

Question 6

How do you declare a variable in a shell script?

Accepted Answer

VAR=value

Answer

var = value

Answer

VAR = value

Answer

set VAR value

Question 7

What is the output of 'echo $((3 + 2))'?

Accepted Answer

5

Answer

3 + 2

Answer

$((3 + 2))

Answer

error

Question 8

How do you execute a command stored in a variable?

Accepted Answer

eval $VAR

Answer

execute $VAR

Answer

run $VAR

Answer

call $VAR

Question 9

Which loop is used to iterate over a list of items in shell scripting?

Accepted Answer

for

Answer

while

Answer

until

Answer

do-while