Multiple choice technology operating systems

How do you unset environment variables

  1. uset VAR

  2. unset VAR

  3. undefine VAR

  4. delete VAR

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In Unix/Linux shell environments, the unset command is used to remove or unset environment variables. This is a standard shell built-in command across different shells (bash, sh, zsh, etc.). The other options (uset, undefine, delete) are not valid shell commands for this purpose.