Linux 解决vi键盘方向键变字母问题

    说明：vi命令为了兼容老机器，默认开启的兼容模式，兼容模式下方向键、退格键无法使用。

修改/etc/vim/vimrc.tiny

1、将“set compatible”（兼容模式）改成“set nocompatible”（非兼容模式）

2、添加“set backspace=2”，解决退格键无法使用

root@debian10:~# vi /etc/vim/vimrc.tiny 

" Vim configuration file, in effect when invoked as "vi". The aim of this
" configuration file is to provide a Vim environment as compatible with the
" original vi as possible. Note that ~/.vimrc configuration files as other
" configuration files in the runtimepath are still sourced.
" When Vim is invoked differently ("vim", "view", "evim", ...) this file is
" _not_ sourced; /etc/vim/vimrc and/or /etc/vim/gvimrc are.

" Debian system-wide default configuration Vim
set runtimepath=~/.vim,/var/lib/vim/addons,/usr/share/vim/vimfiles,/usr/share/vim/vim81,/usr/share/vim/vimfiles/after,/var/lib/vim/addons/after,~/.vim/after

set nocompatible
set backspace=2
" vim: set ft=vim: