Environment Variable in general helps applications to know which directory to install installable files, where to find user and system settings. These types of environment variables can be viewed, created, edited, and deleted. They are formed as number/value pairs and those values can be access by the OS and application as needed.General Format of environment value looks like this: Environment Variables are available in Windows, Mac, and Linux. Environment Variables are global variables that hold values related to the current working environment and can be used by the operating system and other applications to get necessary OS information In the same way, there are Environment Variables in your Operating System. It can be a filename, or number, or any other data. I n programming, variables are the location that holds a value, and value can be anything.
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