How does export work Linux?

Question

The export command is a built-in utility of Linux Bash shell. It is used to ensure the environment variables and functions to be passed to child processes. It does not affect the existing environment variable. Environment variables are set when we open a new shell session.

How does export work bash?

Export is a command used in the bash shell to make use of variables and functions that are to be passed on further to all child processes. It works by including a variable in child process environments. This is done by keeping another environment.

How does export command work in Unix?

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.

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