diff --git a/docco.js b/docco.js
index 235f7a29..c6a1f3d1 100644
--- a/docco.js
+++ b/docco.js
@@ -1,6 +1,6 @@
 // Generated by CoffeeScript 1.6.2
 (function() {
-  var Docco, commander, config, configure, document, exec, ext, format, fs, getLanguage, highlight, l, languages, marked, parse, path, run, spawn, version, write, _, _ref,
+  var Docco, commander, config, configure, document, ext, format, fs, getLanguage, highlight, l, languages, marked, parse, path, run, version, write, _,
     __slice = [].slice;
 
   document = function(options, callback) {
@@ -8,16 +8,27 @@
       options = {};
     }
     configure(options);
-    return exec("mkdir -p " + config.output, function() {
-      var complete, files, nextFile;
+    return fs.mkdirs(config.output, function() {
+      var complete, copyAsset, files, nextFile;
 
       callback || (callback = function(error) {
         if (error) {
           throw error;
         }
       });
+      copyAsset = function(file, callback) {
+        return fs.copy(file, path.join(config.output, path.basename(file)), callback);
+      };
       complete = function() {
-        return exec(["cp -f " + config.css + " " + config.output, fs.existsSync(config["public"]) ? "cp -fR " + config["public"] + " " + config.output : void 0].join(' && '), callback);
+        return copyAsset(config.css, function(error) {
+          if (error) {
+            return callback(error);
+          } else if (fs.existsSync(config["public"])) {
+            return copyAsset(config["public"], callback);
+          } else {
+            return callback();
+          }
+        });
       };
       files = config.sources.slice();
       nextFile = function() {
@@ -125,7 +136,7 @@
 
   config = {
     layout: 'parallel',
-    output: 'docs/',
+    output: 'docs',
     template: null,
     css: null,
     extension: null
@@ -138,12 +149,12 @@
     if (options.template) {
       config.layout = null;
     } else {
-      dir = config.layout = "" + __dirname + "/resources/" + config.layout;
-      if (fs.existsSync("" + dir + "/public")) {
-        config["public"] = "" + dir + "/public";
+      dir = config.layout = path.join(__dirname, 'resources', config.layout);
+      if (fs.existsSync(path.join(dir, 'public'))) {
+        config["public"] = path.join(dir, 'public');
       }
-      config.template = "" + dir + "/docco.jst";
-      config.css = options.css || ("" + dir + "/docco.css");
+      config.template = path.join(dir, 'docco.jst');
+      config.css = options.css || path.join(dir, 'docco.css');
     }
     config.template = _.template(fs.readFileSync(config.template).toString());
     return config.sources = options.args.filter(function(source) {
@@ -159,7 +170,7 @@
 
   _ = require('underscore');
 
-  fs = require('fs');
+  fs = require('fs-extra');
 
   path = require('path');
 
@@ -169,9 +180,7 @@
 
   highlight = require('highlight.js').highlight;
 
-  _ref = require('child_process'), spawn = _ref.spawn, exec = _ref.exec;
-
-  languages = JSON.parse(fs.readFileSync("" + __dirname + "/resources/languages.json"));
+  languages = JSON.parse(fs.readFileSync(path.join(__dirname, 'resources', 'languages.json')));
 
   for (ext in languages) {
     l = languages[ext];
@@ -195,7 +204,7 @@
     return lang;
   };
 
-  version = JSON.parse(fs.readFileSync("" + __dirname + "/package.json")).version;
+  version = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'))).version;
 
   run = function(args) {
     var c;
diff --git a/docco.litcoffee b/docco.litcoffee
index baf75989..3dbe3b54 100644
--- a/docco.litcoffee
+++ b/docco.litcoffee
@@ -80,14 +80,16 @@ out in an HTML template.
     document = (options = {}, callback) ->
       configure options
 
-      exec "mkdir -p #{config.output}", ->
+      fs.mkdirs config.output, ->
 
         callback or= (error) -> throw error if error
+        copyAsset  = (file, callback) ->
+          fs.copy file, path.join(config.output, path.basename(file)), callback
         complete   = ->
-          exec [
-            "cp -f #{config.css} #{config.output}"
-            "cp -fR #{config.public} #{config.output}" if fs.existsSync config.public
-          ].join(' && '), callback
+          copyAsset config.css, (error) ->
+            if error then callback error
+            else if fs.existsSync config.public then copyAsset config.public, callback
+            else callback()
 
         files = config.sources.slice()
 
@@ -190,7 +192,7 @@ options.
 
     config =
       layout:     'parallel'
-      output:     'docs/'
+      output:     'docs'
       template:   null
       css:        null
       extension:  null
@@ -205,10 +207,10 @@ source files for languages for which we have definitions.
       if options.template
         config.layout = null
       else
-        dir = config.layout = "#{__dirname}/resources/#{config.layout}"
-        config.public       = "#{dir}/public" if fs.existsSync "#{dir}/public"
-        config.template     = "#{dir}/docco.jst"
-        config.css          = options.css or "#{dir}/docco.css"
+        dir = config.layout = path.join __dirname, 'resources', config.layout
+        config.public       = path.join dir, 'public' if fs.existsSync path.join dir, 'public'
+        config.template     = path.join dir, 'docco.jst'
+        config.css          = options.css or path.join dir, 'docco.css'
       config.template = _.template fs.readFileSync(config.template).toString()
 
       config.sources = options.args.filter((source) ->
@@ -223,20 +225,19 @@ Helpers & Initial Setup
 
 Require our external dependencies.
 
-    _             = require 'underscore'
-    fs            = require 'fs'
-    path          = require 'path'
-    marked        = require 'marked'
-    commander     = require 'commander'
-    {highlight}   = require 'highlight.js'
-    {spawn, exec} = require 'child_process'
+    _           = require 'underscore'
+    fs          = require 'fs-extra'
+    path        = require 'path'
+    marked      = require 'marked'
+    commander   = require 'commander'
+    {highlight} = require 'highlight.js'
 
 Languages are stored in JSON in the file `resources/languages.json`.
 Each item maps the file extension to the name of the language and the
 `symbol` that indicates a line comment. To add support for a new programming
 language to Docco, just add it to the file.
 
-    languages = JSON.parse fs.readFileSync("#{__dirname}/resources/languages.json")
+    languages = JSON.parse fs.readFileSync(path.join(__dirname, 'resources', 'languages.json'))
 
 Build out the appropriate matchers and delimiters for each language.
 
@@ -264,7 +265,7 @@ file extension. Detect and tag "literate" `.ext.md` variants.
 
 Keep it DRY. Extract the docco **version** from `package.json`
 
-    version = JSON.parse(fs.readFileSync("#{__dirname}/package.json")).version
+    version = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'))).version
 
 
 Command Line Interface
diff --git a/package.json b/package.json
index 4be0f3f7..0113f7da 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
   "dependencies": {
     "commander":  ">= 0.5.2",
     "marked":     ">= 0.2.7",
+    "fs-extra":   ">= 0.6.0",
     "underscore": ">= 1.0.0",
     "highlight.js": ">= 7.3.0"
   },