December 4, 2018

How to do Basic Math in Linux Command Line

The Linux bash, or the command line, lets you perform both basic and complex arithmetic and boolean operations. The commands like expr, jot, bc and, factor etc, help you in finding optimal mathematical solutions to complex problems. In this article, we will describe these commands and present examples that will serve as a basis for you to move to more useful mathematical solutions.

We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system.

We are using the Ubuntu command line, the Terminal, in order to perform all the mathematical operations. You can open the Terminal either through the system Dash or the Ctrl+Alt+T shortcut.

The expr command

The expr or the expression command in Linux is the most commonly used command that is used to perform mathematical calculations. You can use this command to perform functions like addition, subtraction, multiplication, division, incrementing a value and, even comparing two values. 

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