How do I set environment variables in Linux?

Persisting Environment Variables for a User

1. Open the current user’s profile into a text editor. vi ~/.bash_profile.
2. Add the export command for every environment variable you want to persist. export JAVA_HOME=/opt/openjdk11.
3. Save your changes.

How do you set environment variables?

Windows 7

1. From the desktop, right click the Computer icon.
2. Choose Properties from the context menu.
3. Click the Advanced system settings link.
4. Click Environment Variables. …
5. In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable.