Install NERDTree file manager vim plugin and bind a key

vim

• Reference How to install a vim plugin.
• Add lines to vimrc file. :map <F7> :NERDTreeToggle %<CR> call plug#begin('~/.vim/plugged') Plug 'preservim/nerdtree' call plug#end()
• :so % to reload setting file.
• :PlugInstall to install plugin.
• :q to leave plugin install window
• You have to edit a file via vi.
• Then, you can press to toggle NERDTree file manager.