What are common arithmetic operators in Linux?

Common Arithmetic Operators in Linux

In the Linux operating system, there are several common arithmetic operators that can be used in various contexts, such as shell scripts, command-line calculations, and programming languages like Bash. These operators allow you to perform basic mathematical operations on values and variables. Here are the most common arithmetic operators in Linux:

1. Addition (+): The addition operator is used to add two or more numbers together. For example, echo $((2 + 3)) will output 5.

2. Subtraction (-): The subtraction operator is used to subtract one number from another. For example, echo $((5 - 2)) will output 3.

3. Multiplication (*): The multiplication operator is used to multiply two numbers. For example, echo $((4 * 6)) will output 24.

4. Division (/): The division operator is used to divide one number by another. For example, echo $((10 / 2)) will output 5.

5. Modulus (%): The modulus operator is used to get the remainder of a division operation. For example, echo $((10 % 3)) will output 1.

6. Increment (++): The increment operator is used to increase the value of a variable by 1. For example, x=5; echo $((x++)) will output 5, and then x will be 6.

7. Decrement (--): The decrement operator is used to decrease the value of a variable by 1. For example, x=5; echo $((x--)) will output 5, and then x will be 4.

Here's a Mermaid diagram that summarizes the common arithmetic operators in Linux:

These operators can be used in various ways, such as in shell scripts, command-line calculations, and programming languages like Bash. For example, you can use them to perform calculations, manipulate variables, and create more complex expressions. Remember that the specific syntax and usage may vary depending on the context, so it's important to refer to the appropriate documentation or resources for your particular use case.