diff --git a/changelog.md b/changelog.md
index 24c82ae..096f85d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+## add tmux
+
+- `tmux` to get closer to the command line I guess
+
 ## add traceroute
 
 - just added `traceroute`, not `inetutils` because for some reason that one sucks?
diff --git a/configuration.nix b/configuration.nix
index 0bf13e9..b52dc66 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -43,6 +43,17 @@
   programs.direnv.enable = true;
   users.defaultUserShell = pkgs.fish;
 
+  programs.tmux = {
+    enable = true;
+    shortcut = "a"; # changes default shortcut to ctrl-a from ctrl-b
+    extraConfig = ''
+      set-option -g mouse on
+      bind | split-window -h -c "#{pane_current_path}"
+      bind - split-window -v -c "#{pane_current_path}"
+      bind c new-window -c "#{pane_current_path}"
+    '';
+  };
+
   services.tailscale.enable = true;
   services.tailscale.useRoutingFeatures = "client";