Vim : Arrow Keys Adds Different Characters In Editor08 Apr 2020
I had this problem sometimes on my application server, which can sometimes be old machines. When I tried to use arrow keys in insert mode in vim editor the following characters are being inserted in the editor:
for ↓ I get B for ↑ I get A for ← I get D for → I get C
…and it’s super annoying.
From what I found out, this is how the original Vi behaves.
However, VIM is the successor to Vi. By default, it set to be in Vi-compatible mode, which includes this behavior for the arrow keys.
To remove the compatible mode, create a file named .vimrc in home directory add this line to the top of the file:
vim ~/.vimrc set nocompatible
Save the file and this should fix the problem.