Export Name Field Document on Linux For Free

In summary, we primarily use the set command to configure error handling, debugging, and script behavior within the local scope of a script or shell session. On the other hand, we use the export command to create global environment variables that other processes or scripts running in the same session can access.

To export a environment variable you run the export command while setting the variable. We can view a complete list of exported environment variables by running the export command without any arguments. To view all exported variables in the current shell you use the -p flag with export.

How to use export command in Linux / Unix Set a new environment variable command. $ export <VARIABLE_NAME>=<value_here> Removing an environment variable. $ export -n <VARIABLE_NAME> How to mark a shell function for export. $ export -f <FUNCTION_NAME> Appending something to the PATH variable using the export.

Linux export Syntax The syntax for the export command is: export [-f] [-n] [name[=value] ...] Running the command without any options outputs all the exported variables and functions: The command runs successfully unless you pass an invalid option or an invalid variable [name] .

Echo is a command for printing text and variables to stdout (or redirect). export lists the current exported variables in the shell.

You can use the export command to make local variables global. To make your local shell variables global automatically, export them in your . profile file. Note: Variables can be exported down to child shells but not exported up to parent shells.

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.