diff --git a/Gemfile b/Gemfile
deleted file mode 100644
index b3d4bf6..0000000
--- a/Gemfile
+++ /dev/null
@@ -1,3 +0,0 @@
-source 'http://rubygems.org/'
-
-gem 'rake'
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 3b9cde2..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,10 +0,0 @@
-GEM
-  remote: http://rubygems.org/
-  specs:
-    rake (0.9.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  rake
diff --git a/Rakefile b/Rakefile
deleted file mode 100644
index 0a9f889..0000000
--- a/Rakefile
+++ /dev/null
@@ -1,87 +0,0 @@
-# encoding: utf-8
-
-$HOME = File.expand_path(ENV['HOME'] || '~')
-$DOTFILES = File.expand_path('..', __FILE__)
-$DOTPFILES = "#{$DOTFILES}/private"
-
-desc "Create all symlinks in home folder (#{$HOME})"
-task :symlink => 'symlink:all'
-task :link    => 'symlink:all'
-
-namespace :symlink do
-
-  # Paths to symlink from dotfiles
-  paths = [
-    'bundle', 'emacs.d', 'erlang', 'gemrc', 'gitconfig', 'gitignore',
-    'hgrc', 'irbrc', 'powconfig', 'rspec', 'tmux.conf'
-  ]
-
-  # Target directory to put symlinks in (defaults to home folder).
-  target = File.expand_path(ENV["TARGET"] ? ENV["TARGET"] : $HOME)
-
-  task :dotfiles do
-    link_paths($DOTFILES, "#{target}/.dotfiles")
-  end
-
-  desc "Execute \"rake symlink\" in #{$DOTPFILES}"
-  task :private do
-    system "rake --rakefile=\"#{$DOTPFILES}/Rakefile\" symlink"
-  end
-
-  task :all => ["symlink:private", "symlink:paths", "symlink:shell_loaders"]
-
-  task :paths => :dotfiles do
-    paths.each do |path|
-      link_paths(".dotfiles/#{path}", "#{target}/.#{path}")
-    end
-  end
-
-  task :shell_loaders => :dotfiles do
-    link_paths(".dotfiles/load_shellrc.sh", "#{target}/.profile")
-    link_paths(".dotfiles/load_shellrc.sh", "#{target}/.zprofile")
-  end
-end
-
-namespace :install do
-  desc "Install Homebrew"
-  task :homebrew do
-    system '/usr/bin/ruby -e ' +
-      '"$(curl -fsSL https://raw.github.com/gist/323731)"'
-  end
-
-  desc "Install rbenv to #{$HOME}/.rbenv"
-  task :rbenv do
-    target = File.join($HOME, '.rbenv')
-    git_clone('git://github.com/sstephenson/rbenv.git', target)
-  end
-
-  desc "Install nvm to #{$HOME}/.nvm"
-  task :nvm do
-    target = File.join($HOME, '.nvm')
-    git_clone('https://github.com/creationix/nvm.git', target)
-  end
-
-  desc "Install virtualenv-burrito"
-  task :virtualenv do
-    system 'curl -s https://raw.github.com/brainsik/virtualenv-burrito/' +
-      'master/virtualenv-burrito.sh | bash'
-  end
-end
-
-
-def link_paths(src, to)
-  if !File.exists?(to)
-    puts "  symlink: #{to} --> #{src}"
-    File.symlink(src, to)
-  else
-    puts "   exists: #{to}"
-  end
-end
-
-def git_clone(repo, target)
-  if File.exist?(target)
-    puts "#{target} already exists."
-  else
-    system "git clone \"#{repo}\" \"#{target}\""
-  end
-end
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..932ba30
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,129 @@
+#! /usr/bin/env bash
+
+#
+# Configuration
+#
+
+TARGET="$HOME"
+DOTFILES_LINK=".dotfiles"
+SYMLINK_PATH="$DOTFILES_LINK"
+PRIVATE_PATH="private"
+SYMLINKS=(bundle emacs.d erlang gemrc gitconfig gitignore hgrc irbrc \
+    powconfig rspec tmux.conf)
+LOAD_FILES=(profile zprofile)
+
+#
+# Main Functions
+#
+
+install_symlinks () {
+    # Symlink dotfiles root
+    symlink "$ROOT_PATH" "$TARGET/$DOTFILES_LINK"
+
+    # Setup private dotfiles
+    if [ -f "$ROOT_PATH/$PRIVATE_PATH/install.sh" ]; then
+        "$ROOT_PATH/$PRIVATE_PATH/install.sh" links
+    fi
+
+    # Symlink each path
+    for i in ${SYMLINKS[@]}; do
+        symlink "$SYMLINK_PATH/$i" "$TARGET/.$i"
+    done
+
+    # Symlink shell init file for bash and zsh
+    for i in ${LOAD_FILES[@]}; do
+        symlink "$DOTFILES_LINK/load_shellrc.sh" "$TARGET/.$i"
+    done
+}
+
+install_homebrew () {
+    /usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)"
+}
+
+install_rbenv () {
+    git_clone 'git://github.com/sstephenson/rbenv.git' "$TARGET/.rbenv"
+}
+
+isntall_nvm () {
+    git_clone 'https://github.com/creationix/nvm.git' "$TARGET/.nvm"
+}
+
+install_virtualenv () {
+    curl -s https://raw.github.com/brainsik/virtualenv-burrito/master/virtualenv-burrito.sh | bash
+}
+
+
+#
+# Initial Setup
+#
+
+if [ -n "${BASH_SOURCE[0]}" ] && [ -f "${BASH_SOURCE[0]}" ] ; then
+    ROOT_PATH=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+elif [ -n "$0" ] && [ -f "$0" ]; then
+    ROOT_PATH=$(cd "$(dirname "$0")" && pwd)
+else
+    echo "[ERROR] Can't determine dotfiles' root path."
+    exit 1
+fi
+
+
+#
+# Helper functions
+#
+
+symlink() {
+    if [ ! -e "$2" ]; then
+        echo "   symlink: $2 --> $1"
+        ln -s "$1" "$2"
+    else
+        echo "    exists: $2"
+    fi
+}
+
+git_clone () {
+    if [ ! -e "$2" ]; then
+        git clone "$1" "$2"
+    else
+        echo "[ERROR] $2 already exists"
+    fi
+}
+
+
+#
+# Argument Handling
+#
+
+case "$1" in
+    symlinks|links)
+        install_symlinks
+        ;;
+    homebrew|brew)
+        install_homebrew
+        ;;
+    rbenv)
+        install_rbenv
+        ;;
+    nvm)
+        install_nvm
+        ;;
+    virtualenv|venv)
+        install_virtualenv
+        ;;
+    info)
+        echo "Target directory: $TARGET"
+        echo "Detected dotfiles root: $ROOT_PATH"
+        ;;
+    *)
+        echo 'usage: ./install.sh [command]'
+        echo ''
+        echo 'Available commands:'
+        echo '       info: Target and source directory info.'
+        echo '   symlinks: Install symlinks for various dotfiles into' \
+             'target directory.'
+        echo '   homebrew: Install Homebrew (Mac OS X only).'
+        echo '      rbenv: Install rbenv, a Ruby version manager.'
+        echo '        nvm: Install nvm, a Node.js version manager.'
+        echo ' virtualenv: Install virtualenv-burrito, a Python version and' \
+             'environment manager.'
+        ;;
+esac
diff --git a/private b/private
index f2c2d3e..b1a1019 160000
--- a/private
+++ b/private
@@ -1 +1 @@
-Subproject commit f2c2d3e55fb1588d529fd7650bd625fea7a774a2
+Subproject commit b1a10190408a8e35123ee834c2e3b2f680e2eff6