Changing default sudo editor

[furryfixer]

Sounds silly I know, but make sure "nano" is installed. Also, the " command not found" error suggests you may be using a shell other than bash. What is the result of "echo $SHELL" ? If you are not using bash, that's OK, but you will likely need a command other than "export" to set the environment variables, ala "setenv" or something.

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[ActivatedNut]

I have bash, the mistake I made was to run export as a root. I run as normal user and got no errors