Hitting arrow keys but shows A B C D in VIM
If you press up, down, left, or right arrow key, but VIM maps to A, B, C, D characters, it is very likely you don't have a
.vimrc file in your home directory, or didn't turn off VIM's compatible mode.
To fix this problem, create a
.vimrc file in your home directory if you don't already have:
Then add this line to the top of the file: