How do I unset an environment variable in macOS?
An example of an AI chatbot conversation about unsetting environment variables in macOS.
How do I unset an environment variable in macOS?
You can unset an environment variable in macOS by using the unset command in the terminal. For example, to unset a variable named MY_VAR, you would type unset MY_VAR.
Does this change affect all terminal sessions?
No, unsetting an environment variable only affects the current terminal session. If you want to make it permanent, you'll need to remove it from your shell configuration file.
Which file should I edit for that?
You typically need to edit either ~/.bash_profile, ~/.bashrc, or ~/.zshrc, depending on the shell you are using.
What if I want to unset a variable for just one session?
You can simply use the unset command in that terminal session, and it will only apply to that session.
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