How To Perform Arithmetic Operation?

1.	How To Perform Arithmetic Operation?
Answer» There are two WAYS to perform arithmetic operations: Using expr command (# expr 5 + 2). Using a dollar sign and square brackets ( $[ operation ] ) EXAMPLE : TEST=$[16 + 4] ; test=$[16 + 4]. There are two ways to perform arithmetic operations:

Answer»

There are two WAYS to perform arithmetic operations:

Using expr command (# expr 5 + 2).
Using a dollar sign and square brackets ( $[ operation ] ) EXAMPLE : TEST=$[16 + 4] ; test=$[16 + 4].

There are two ways to perform arithmetic operations:

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