Shell Programming Quiz ex.no 2

What is the syntax to declare a variable in Shell?

• variable_name = variable_value

• var3 = 20

• var1 : 10

• var2 = Shell Programming

Which operator is used to add values in Shell?

• +

• -

• &

• *

What is the correct syntax to compare if two numbers are equal in Shell?

• [ $a == $b ]

• [ $a != $b ]

• [ $a -eq $b ]

• [ $a -ne $b ]

How can you concatenate two strings in Shell?

• merge

• append

• concat

• join

What is the correct way to find the maximum of three numbers in Shell?

• Using loops

• Using comparison operators

• Using if-else statements

• Using arrays

How can you perform arithmetic operations using switch case in Shell?

• Using comparison operators

• Using arrays

• Using loops

• Using if-else statements

What is the syntax to declare an array in Shell?

• array(index) = value

• array[index] : value

• array{index} = value

• array[index] = value

How can you check if a file exists in Shell?

• Using -e operator

• Using -f operator

• Using -d operator

• Using -s operator

What is the correct way to read input from a user in Shell?

• Using read command

• Using input command

• Using get command

• Using userinput command

How can you check if a directory exists in Shell?

• Using -e operator

• Using -f operator

• Using -d operator

• Using -s operator