Vim Tree Catalog plugin Nerdtree installation and use

Installation process:

cd ~
mkdir nerdtree
cd nerdtree
wget http://www.vim.org/scripts/download_script.php?src_id=17123 -O nerdtree.zip 
unzip nerdtree.zip
mkdir -p ~/.vim/{plugin,doc}
cp plugin/NERD_tree.vim ~/.vim/plugin/
cp doc/NERD_tree.txt ~/.vim/doc/
vim ~/.vimrc
加入：map <F5> :NERDTreeToggle<CR>

Then open a file and press F5 to trigger the tree directory.
Shown below

• Nerdtree help command

  CTRL + W + H cursor focus left tree
  CTRL + W + L cursor focus right file display window
  CTRL + W + W cursor automatically switches between left and right windows
  CTRL + W + R moves the layout position of the current window
  O open a file, directory, or bookmark in an existing window and jump to it
  Go opens a file, directory, or bookmark in an existing window, but does not jump to it
  TOpen the selected file / bookmark in the new tab and skip to the new tab
  T opens the selected file / bookmark in the new tab, but does not jump to the new tab
  I split a new window opens the selected file and jumps to it
  GI split a new window opens the selected file but does not jump to it
  VSplit a new window opens the selected file and jumps to it
  GS VSplit a new window opens the selected file but does not jump to it
  ! execute current file
  O recursively open all directories under the selected node
  X collapses the parent directory of the selected node
  X recursively collapses all directories under the selected node
  e       Edit the current dif
  Double clicking is equivalent to nerdtree-o
  The middle key pair file is equivalent to nerdtree-i and the directory is equivalent to nerdtree-e
  D delete current bookmark
  P jumps to root
  P jumps to the parent node
  K jumps to the first node of the same level in the current directory
  J jumps to the last node of the same level in the current directory
  K jumps to the previous node of the same level in the current directory
  J jumps to the next node of the same level in the current directory
  C sets the parent directory of the selected directory or file as the root node
  U sets the parent directory of the current root node as the root directory, and becomes the original root node
  U sets the parent of the current root as the root, but keeps expanding the original root
  R recursively refresh the selected directory
  R recursively refresh root
  M display file system menu
  CD sets CWD as the selected directory
  I toggle whether hidden files are shown
  F switch whether to use file filter
  F switch whether to display files
  B toggle whether bookmarks are displayed
  Q close the nerdtree window
  ? toggle whether quick help is displayed
  : tabnew [+ + opt option] [+ CMD] file creates a new tab for the specified file
  : tabcclose the current tab
  : Tabo close all other tabs
  : tabs view all open tabs
  : tabbpprevious tab
  : tab n next tab 

Vim Tree Catalog Plug-in Nerdtree installation and use