diff --git a/setup.sh b/setup.sh
index 1a4db72..6088c50 100644
--- a/setup.sh
+++ b/setup.sh
@@ -1,20 +1,29 @@
 #!/usr/bin/env sh
 
-IAM=`dirname $0`
+IAM="$(realpath $(dirname $0))"
+
 mkdir -p ~/.config
 mkdir -p ~/.bin
 
-# ~ dotfiles
+# shell dotfiles
 ln -s $IAM/zlogin ~/.zlogin
 ln -s $IAM/zshrc ~/.zshrc
+
+# editor dotfiles
 ln -s $IAM/emacs.d ~/.emacs.d
 ln -s $IAM/vimrc ~/.vimrc
-ln -s $IAM/gitconfig ~/.gitconfig
 
-# .config dotfiles
+# X dotfiles
+ln -s $IAM/xinitrc ~/.xinitrc
+ln -s $IAM/xmodmap ~/.xmodmap
+
+# WM/DE dotfiles
 ln -s $IAM/i3 ~/.config/i3
 ln -s $IAM/i3status ~/.config/i3status
 ln -s $IAM/qt5ct ~/.config/qt5ct
 
+# misc dotfiles
+ln -s $IAM/gitconfig ~/.gitconfig
+
 # tasks
 emacs --script install-packages.el
diff --git a/xmodmap b/xmodmap
new file mode 100644
index 0000000..63fb472
--- /dev/null
+++ b/xmodmap
@@ -0,0 +1,4 @@
+clear lock
+keycode 66 = Super_L
+add mod4 = Super_L Super_R
+