Some systems you can't install anything; they're locked down. So, knowing VIM and nano is very helpful. Actually, this is the major reason I never try other ed

Some systems you can't install anything; they're locked down. So, knowing VIM and nano is very helpful. Actually, this is the major reason I never try other editors; I have to work with legacy, locked down systems (on occasion), so it is easier for me to just stay with one editor that I know.