Open Vim with `vim filename`
Press `i` to enter insert mode
Type your text
Press `Esc` to return to normal mode
Press `:w` to save
Press `:q` to quit
Press...
Press `Esc`
Type `:q`
Press `Enter`
Type `:q!` to quit without saving
Type `:wq` to save and quit
Type `:x` to save and quit
Type `ZZ` to save and quit
Type...
Press `Esc`
Type `:q`
Press `Enter`
Type `:q!` to quit without saving
Type `:wq` to save and quit
Type `:x` to save and quit
Press `Shift+ZZ` to save and quit