What is export do?

Question

Top 50+ Linux Commands Export is a built-in command of the Bash shell. It is used to mark variables and functions to be passed to child processes. Basically, a variable will be included in child process environments without affecting other environments.

What does export do in Makefile?

MAKEFILES is exported if you set it to anything. make automatically passes down variable values that were defined on the command line, by putting them in the MAKEFLAGS variable. See Options/Recursion. Variables are not normally passed down if they were created by default by make (see Variables Used by Implicit Rules).

What does export do in CMD?

The export command is often used to create a file that you can share with other developers, or for use when restoring your build environment.

What does export command do in Mac?

In general, the export command marks an environment variable to be exported with any newly forked child processes and thus it allows a child process to inherit all marked variables.

What does export do in a Bash script?

The Bash export command helps us to export environment variables so that they are available in all child processes, shells, and commands.

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