This guide explains how to use variables in Bash, the default shell on many Linux systems. You'll learn how to declare variables, assign values, access them, take input from users, and use them in commands and scripts. It also covers best practices like exporting variables and using default values, making it easier to write dynamic and reusable shell scripts.
bash variables

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bash variables
https://docs.vultr.com/how-to-use-variables-in-bash