sudo update-alternatives –config editor
There are 4 choices for the alternative editor (providing /usr/bin/editor).
Selection Path Priority Status
------------------------------------------------------------
* 0 /bin/nano 40 auto mode
1 /bin/ed -100 manual mode
2 /bin/nano 40 manual mode
3 /usr/bin/vim.basic 30 manual mode
4 /usr/bin/vim.tiny 10 manual mode
Press enter to keep the current choice[*], or type selection number: 3
sudo update-alternatives --set editor /usr/bin/vim.basic
sudo update-alternatives --set vi /usr/bin/vim.basic
sudo update-alternatives --list editor