diff --git a/home.nix b/home.nix
index 6d289e5..5fcd526 100644
--- a/home.nix
+++ b/home.nix
@@ -1,7 +1,6 @@
 { config, pkgs, ... }:
 
 {
-  # TODO please change the username & home directory to your own
   home.username = "alex";
   home.homeDirectory = "/home/alex";
 
@@ -20,18 +19,19 @@
   #     xxx
   # '';
 
-  # set cursor size and dpi for 4k monitor
-  # xresources.properties = {
-  #   "Xcursor.size" = 16;
-  #   "Xft.dpi" = 172;
-  # };
-
   home.shellAliases = {
     e = "ls -lh";
-    vi = "nvim";
-    vim = "nvim";
+    tree  = "eza --tree";
+    l     = "ls";
+    ll    = "eza -l";
+    clip  = "xclip -selection clipboard";
+    vi    = "nvim";
+    vim   = "nvim";
+    mtr   = "mtr -t";
+    tm    = "tmux attach || tmux";
   };
 
+
   # Packages that should be installed to the user profile.
   home.packages = with pkgs; [
     # here is some command line tools I use frequently
@@ -48,10 +48,13 @@
 
     # utils
     ripgrep # recursively searches directories for a regex pattern
-    # jq # A lightweight and flexible command-line JSON processor
+    bat
+    jq # A lightweight and flexible command-line JSON processor
     # yq-go # yaml processor https://github.com/mikefarah/yq
     eza # A modern replacement for ‘ls’
     fzf # A command-line fuzzy finder
+    fd
+    xclip
 
     # networking tools
     mtr # A network diagnostic tool
@@ -159,6 +162,11 @@
     '';
   };
 
+  programs.neovim = {
+    enable = true;
+    defaultEditor = true;
+  };
+
   # This value determines the home Manager release that your
   # configuration is compatible with. This helps avoid breakage
   # when a new home Manager release introduces backwards