Linux Commands: printenv
printenv is used to print out the environment variables. Environment variables are a common form of setting global values across a terminal session. Environment variables can be set by the systems, automation scripts, or by the user.
You can print your all environment variables using just
If you want to print the value of a specific variable you can use
printenv <variable name>.
If you are ever stuck and want to know what was the value of the environment variable you can use it. I have found myself using this quite often when debugging issues in production or on my local machine.
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why you do not use just
Hey, so env allows you to print all the environment variables, set a environment variable and disable all the environment variables. But it doesn’t provide a way to print a value of specific environment variable which printenv gives you out of the box. So the use case where you want to print a specific value of environment variable this comes handy