CloudBinary_Basic-Shell-scripting

What symbol is used to access the value of a variable in shell scripting?

• @

• #

• $

• %

What is the outcome of using an undeclared variable in a script?

• Script stops execution and throws an error

• The variable is treated as an empty string

• The script enters an infinite loop

• An exception is raised

Which character should be used to concatenate strings and variables in shell scripting?

• &

• +

• ,

• No symbol is needed; simply place strings and variables next to each other

Which character is used to separate multiple commands on the same line?

• &

• |

• ;

• ,

How do you display a string in shell scripting?

• print

• output

• echo

• display

Which symbol is used to indicate a comment in shell scripting?

• %

• //

• #

• !

What is the purpose of double quotes in variable assignment?

• To declare a variable as an array

• To prevent variable expansion

• To enclose string values

• To indicate a comment

Which command is used to display the value of a variable?

• echo

• print

• show

• display

What will be the output of the following script: name="Alice" echo "Name: $name"

• "Name: Alice"

• "Alice"

• "Name"

• "Name: $name"

What is the default value of an undeclared variable in shell scripting?

• 0

• None

• NULL

• An empty string or unset