Update

.tmux.conf

@@ -4,8 +4,8 @@ set -g default-terminal "xterm-256color"
 
 # remap prefix from 'C-b' to 'C-a'
 unbind C-b
-set-option -g prefix C-a
-bind-key C-a send-prefix
+set-option -g prefix C-s
+bind-key C-s send-prefix
 
 # don't rename windows automatically
 set-option -g allow-rename off

.vimrc

@@ -10,6 +10,8 @@ set copyindent
 set number
 
 set laststatus=2
+
+nnoremap <C-g> :NERDTreeToggle<CR>
 " 
 call plug#begin(expand('~/.vim/plugged'))
 " Color Scheme