How do you delete an environment variable?

How do you delete an environment variable?

ON WINDOWS

1. Right-click on My Computer and select Properties.
2. Go to the Advanced system settings tab.
3. Click the Environment Variables button. The Environment Variables dialog opens.
4. Select the environment variable you want to delete and click Delete.
5. Repeat step 4 as many times as necessary.
6. Click OK.

How can we remove environment in Conda?

Remove your environment You can use conda env remove to remove the environment. Same thing as create, you have to specify the name of the environment you wish to remove by using –name .

Can you set an environment variable with an empty name?

The env command from GNU coreutils supports setting the environment variable with an empty name but not unsetting it. That’s a bug. Common shells can’t unset the empty name either. That’s ok, since the empty name isn’t supposed to be used as an environment variable, and can’t be used as a shell variable.

How to set and unset environment variables on Linux?

On Linux, there are two ways of unsetting environment variables : by using the unset command or by deleting variable entries into your system files. Alternatively, you can unset environment variables by using the set command with the “-n” flag.

Can a shell variable be unset with an empty name?

Common shells can’t unset the empty name either. That’s ok, since the empty name isn’t supposed to be used as an environment variable, and can’t be used as a shell variable. Zsh is the only buggy one in the lot: it pretends to do the job but in fact does nothing.

Is it better to unset a variable or set it to empty?

Furthermore, there may be an error_message set, so I test if a message exists, print it, and then unset it (because the following test may not set an error_message ): Now my question is, if it is better to unset the variable, or to just set it to ”, like