On Linux systems, the env command can temporarily clear Bash environment variables without deleting or uninstalling them. Of course, the Bash command in Linux is not only env, this article will introduce how Linux uses the command to clear the Bash environment variable.
How to display the current environment?
Open the terminal application and enter one of the following commands:
1.printenv
or
1.env
Example:
Fig.01: Unix/Linux: List all environment variables
Number of statistical environment variables
Enter the following command:
1.env
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