Configure Vim that is more convenience than vi.

[1] Install and Configure Vim.

The example below applys to a user specific setting.
If you’d like to applly System wide, Write the same settings in [/etc/vim/vimrc].

root@localhost:~# apt -y install vim
root@localhost:~# vi ~/.vimrc
" use extended feature of vim (no compatible with vi)
set nocompatible

" specify encoding
set encoding=utf-8

" specify file encoding
set fileencodings=utf-8

" specify file formats
set fileformats=unix,dos

" take backup
" if not, specify [ set nobackup ]
set backup

" specify backup directory
set backupdir=~/backup

" number of search histories
set history=50

" ignore Case
set ignorecase

" distinct Capital if you mix it in search words
set smartcase

" highlights matched words
" if not, specify [ set nohlsearch ]
set hlsearch

" use incremental search
" if not, specify [ set noincsearch ]

set incsearch

" show line number
" if not, specify [ set nonumber ]
set number

" visualize break ( $ ) or tab ( ^I )
set list

" highlights parentheses
set showmatch

" not insert LF at the end of file
set binary noeol

" enable auto indent
" if not, specify [ noautoindent ]
set autoindent

" show color display
" if not, specify [ syntax off ]
syntax on

" change colors for comments if it's set [ syntax on ]
highlight Comment ctermfg=LightCyan

" wrap lines
" if not, specify [ set nowrap ]
set wrap