Vim

Vim is a powerful text editor, you can install it with some plugins

Installation

sudo apt install -y vim

Configuration

Edit system configuration

Manual

sudo vim /etc/vim/vimrc

Inline

sudo tee -a /etc/vim/vimrc > /dev/null <<EOT
set nocompatible
set number
set background=dark
set tabstop=4
set smartindent
set autoindent
set backspace=indent,eol,start
set ignorecase
set ruler
set showcmd
set mouse=a
EOT

• nocompatible to use Vim instead of Vi
• number to display line numbers
• background=dark to use dark theme
• tabstop=4 to use 4 spaces for tab
• smartindent to use smart indentation
• autoindent to use auto indentation
• backspace=indent,eol,start to use backspace
• ignorecase to ignore case
• ruler to display cursor position
• showcmd to display command in bottom
• mouse=a to enable mouse

set nocompatible
set number
set background=dark
set tabstop=4
set smartindent
set autoindent
set backspace=indent,eol,start
set ignorecase
set ruler
set showcmd
set mouse=a

/etc/vim/vimrc

Commands

Vim has two modes.

You can find a cheatsheet on https://vim.rtorr.com

• Insert mode (Where you can just type like normal text editor. Press i for insert mode)
• Command mode (Where you give commands to the editor to get things done . Press ESC for command mode)

Insert mode

You can write text in this mode.

Command mode

• x: to delete the unwanted character
• u: to undo the last the command and U to undo the whole line CTRL-R to redo
• A: to append text at the end
• :x: to save and exit
• :q!: to trash all changes
• dw: move the cursor to the beginning of the word to delete that word
• 2w: to move the cursor two words forward.
• 3e: to move the cursor to the end of the third word forward.
• 0 (zero): to move to the start of the line.
• d2w: which deletes 2 words .. number can be changed for deleting the number of consecutive words like d3w
• dd: to delete the line and 2dd to delete to line .number can be changed for deleting the number of consecutive words
• :1,$d: to delete all lines from the current line to the end

INFO

If copy/paste don't work in vim, check this link: https://coderwall.com/p/if9mda/automatically-set-paste-mode-in-vim-when-pasting-in-insert-mode