diff --git a/vimrcs/basic.vim b/vimrcs/basic.vim
index 2e31754d..41b6c8f3 100644
--- a/vimrcs/basic.vim
+++ b/vimrcs/basic.vim
@@ -65,6 +65,9 @@ nmap <leader>w :w!<cr>
 " (useful for handling the permission-denied error)
 command W w !sudo tee % > /dev/null
 
+" Show line number
+set nu
+
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => VIM user interface