Linux Environment Variables : Linux Tutorial

Published: 17 August 2019
on channel: Professional Tutorials

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#Environment_Variables #linux #linux_tutorials
Environment Variables : Linux Tutorial
Learn Linux Environment Variables Step-By-Step Easy Guide

Shell Variables − A shell variable is a special variable that is set by the shell and is required by the shell in order to function correctly. Some of these variables are environment variables whereas others are local variables.
Linux: Permanently set environment variables
Environment Variables
What is a Variable?
Accessing variable values
Deleting Variable
Summary

An environment variable is a variable whose value is set outside the program, typically through a functionality built into the operating system or microservice. An environment variable is made up of a name/value pair, and any number may be created and available for reference at a point in time

What is a Variable?
A variable is a location for storing a value which can be a filename, text, number or any other data.
What are the Environment variables?
Environment variables are dynamic values that affect the processes or programs on a computer.

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