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30 gru 2022 · I am running RHEL 6, and I have exported an environment variable like this: export DISPLAY=:0 That variable is lost when the terminal is closed. How do I permanently add this so that this variable value always exists with a particular user?
27 sie 2011 · To set an environment variable everytime, use the export command in the .bashrc file (or the appropriate initialization file for your shell). To set an environment variable from a script, use the export command in the script, and then source the script.
The export command is used for exporting environment variables so that the variable is also available to subshells and scripts you run. You can simply export a shell variable with assignment: export shellvariable=100. If you already have an existing variable, export it like so: shellvariable=120 export shellvariable
26 maj 2022 · Use the export command to export the variables from a shell, making them global and available in each new shell session. In this tutorial, you will learn to use the export command and see useful command examples.
18 mar 2024 · Shell variables (defined without export) are like local variables that we can access only within that shell. Environment variables (defined with export) are like global variables that we can access within the defining shell and all its child shells, processes, and commands.
5 wrz 2024 · The export command allows you to update and propagate the values of environment variables to the current session and any spawned child processes, ensuring that changes are immediately effective.
5 kwi 2024 · You can export shell variables using the export command under Linux, macOS, FreeBSD, and Unix-like system with bash and other shell that supports it. This page explains the export command syntax and usage for new sysadmins and developers.
