All of the listed apps have a subset of vim's functions. So does vi. You use the listed apps because you wish you were in vim, sort of. When you log in to a s

All of the listed apps have a subset of vim's functions. So does vi. You use the listed apps because you wish you were in vim, sort of. When you log in to a strange or bare system and need to edit, you wish you had vim. But at least you'll have vi, almost as good.