diff --git a/home/code.nix b/home/code.nix
index 9c73d4e..b2cd7ca 100644
--- a/home/code.nix
+++ b/home/code.nix
@@ -19,13 +19,20 @@
       colorscheme molokai
 
       # wildcard mode
-      set wildmode=longest,list
+      set wildmode=longest:full,full
+      
+      # remapping popup menu (command autocompletion)
+      set cnoremap <expr> <up> pumvisible() ? "<C-p>" : "<up>
+      set cnoremap <expr> <down> pumvisible() ? "<C-n>" : "<down>"
+      set cnoremap <expr> <CR> pumvisible()? "<C-e>":"<CR>"                                                                                                                                                                                                                                                                                            
+      # set line numbers
+      set number
 
       # YouCompleteMe
       let g:ycm_key_list_stop_completion = ['<C-y>', '<CR>'] 
       let g:ycm_key_list_select_completion = ['<Up>', '<Down>', '<TAB>'] 
-
     '';
+
     viAlias = true; 
     vimAlias = true;
     plugins = with pkgs.vimPlugins; [