What does export do in CMD?

Question

The export command is fairly simple to use as it has straightforward syntax with only three available command options. 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 is export do?

Exports facilitate international trade and stimulate domestic economic activity by creating employment, production, and revenues. Companies that export are typically exposed to a higher degree of financial risk.

What happens when you export in terminal?

The effect of export , as opposed to merely assigning a variable, is that of passing the variable into the environment of all of the shell's child processes. It does not do anything else; it does not modify any of the shell's configuration files.

What does export display do?

It tells X11 applications which screen they should run on. The format of the DISPLAY variable is hostname:display. For local displays, the hostname is often omitted. The reason this variable is needed is because you can have multiple X servers running locally, or you may wish to use a remote display.

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