diff --git a/docs/commands/add.rst b/docs/commands/add.rst
index bf99047..015323d 100644
--- a/docs/commands/add.rst
+++ b/docs/commands/add.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $addCmd = Factory::createAdd();
-    $addCmd->run();
+    $addCmd->execute();
diff --git a/docs/commands/addremove.rst b/docs/commands/addremove.rst
index 5fb890e..28056ca 100644
--- a/docs/commands/addremove.rst
+++ b/docs/commands/addremove.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $addremoveCmd = Factory::createAddremove();
-    $addremoveCmd->run();
+    $addremoveCmd->execute();
diff --git a/docs/commands/archive.rst b/docs/commands/archive.rst
index fb80a9a..19c831a 100644
--- a/docs/commands/archive.rst
+++ b/docs/commands/archive.rst
@@ -16,4 +16,4 @@ Examples:
         $archiveCmd->addExclude('excludePattern');
         $archiveCmd->setSubrepos(tru);
         $archiveCmd->setNoDecode(true);
-
+        $archiveCmd->execute();
diff --git a/docs/commands/bundle.rst b/docs/commands/bundle.rst
index c55d012..04b93d1 100644
--- a/docs/commands/bundle.rst
+++ b/docs/commands/bundle.rst
@@ -16,5 +16,5 @@ Examples:
         $bundleCmd->setInsecure(true);
         $bundleCmd->setVerbose(true);
         $bundleCmd->setEncoding('UTF-8');
-        $bundleCmd->run();
+        $bundleCmd->execute();
 
diff --git a/docs/commands/clone.rst b/docs/commands/clone.rst
index 427b840..c55558e 100644
--- a/docs/commands/clone.rst
+++ b/docs/commands/clone.rst
@@ -12,4 +12,4 @@ Examples:
 
     $cloneCmd = Factory::createClone();
     $cloneCmd->setSource('/path/to/source');
-    $cloneCmd->run();
+    $cloneCmd->execute();
diff --git a/docs/commands/heads.rst b/docs/commands/heads.rst
index 0eaee8f..a99dfbc 100644
--- a/docs/commands/heads.rst
+++ b/docs/commands/heads.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $headsCmd = Factory::createHeads();
-    $headsCmd->run();
+    $headsCmd->execute();
diff --git a/docs/commands/init.rst b/docs/commands/init.rst
index e671b4b..2714367 100644
--- a/docs/commands/init.rst
+++ b/docs/commands/init.rst
@@ -12,4 +12,4 @@ Examples:
 
     $initCmd = Factory::createInit();
     $initCmd->setDestination('/path/to/destination');
-    $initCmd->run();
+    $initCmd->execute();
diff --git a/docs/commands/paths.rst b/docs/commands/paths.rst
index e7a8ebd..e7027f4 100644
--- a/docs/commands/paths.rst
+++ b/docs/commands/paths.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $pathsCmd = Factory::createPaths();
-    $pathsCmd->run();
+    $pathsCmd->execute();
diff --git a/docs/commands/root.rst b/docs/commands/root.rst
index 13fce7f..edf9a09 100644
--- a/docs/commands/root.rst
+++ b/docs/commands/root.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $rootCmd = Factory::createRoot();
-    $rootCmd->run();
+    $rootCmd->execute();
diff --git a/docs/commands/summary.rst b/docs/commands/summary.rst
index 84e709f..e126af8 100644
--- a/docs/commands/summary.rst
+++ b/docs/commands/summary.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $summaryCmd = Factory::createSummary();
-    $summaryCmd->run();
+    $summaryCmd->execute();
diff --git a/docs/commands/unbundle.rst b/docs/commands/unbundle.rst
index 207ddc7..38fb4ea 100644
--- a/docs/commands/unbundle.rst
+++ b/docs/commands/unbundle.rst
@@ -14,4 +14,4 @@ Examples:
         $unbundleCmd->addFile('C:\\xampp\\file1\\');
         $unbundleCmd->addFile('C:\\xampp\\file2\\');
         $unbundleCmd->setUpdate(true);
-        $unbundleCmd->run();
+        $unbundleCmd->execute();
diff --git a/docs/commands/verify.rst b/docs/commands/verify.rst
index dccb28c..ae872fd 100644
--- a/docs/commands/verify.rst
+++ b/docs/commands/verify.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $verifyCmd = Factory::createVerify();
-    $verifyCmd->run();
+    $verifyCmd->execute();
diff --git a/docs/commands/version.rst b/docs/commands/version.rst
index 3ea35f6..5e4d178 100644
--- a/docs/commands/version.rst
+++ b/docs/commands/version.rst
@@ -11,4 +11,4 @@ Examples:
     use Siad007\VersionControl\HG\Factory;
 
     $versionCmd = Factory::createVersion();
-    $versionCmd->run();
+    $versionCmd->execute();
diff --git a/src/Command/AbstractCommand.php b/src/Command/AbstractCommand.php
index 2c3558c..3f87962 100644
--- a/src/Command/AbstractCommand.php
+++ b/src/Command/AbstractCommand.php
@@ -89,7 +89,10 @@ abstract class AbstractCommand
      *
      * @return string
      */
-    abstract public function __toString();
+    public function __toString()
+    {
+        return sprintf($this->command, $this);
+    }
 
     /**
      * Standard constructor.
@@ -116,25 +119,26 @@ public function __construct($options = array())
      *
      * @return string
      */
-    public function run($return = false)
+    public function execute()
     {
-        if ($return) {
-            return sprintf($this->command, $this);
-        } else {
-            $output = array();
-            $code = 0;
-
-            exec(sprintf($this->command, $this) . " 2>&1", $output, $code);
-
-            if ($code != 0) {
-                throw new \RuntimeException(
-                    'An error occurred while using Mercurial; hg returned: '
-                    . implode(PHP_EOL, $output)
-                );
-            } else {
-                echo implode(PHP_EOL, $output);
-            }
+        $output = array();
+        $code = 0;
+
+        exec(sprintf($this->command, $this) . " 2>&1", $output, $code);
+
+        if ($code != 0) {
+            throw new \RuntimeException(
+                'An error occurred while using VersionControl_HG; hg returned: '
+                . implode(PHP_EOL, $output), $code
+            );
         }
+
+        return implode(PHP_EOL, $output);
+    }
+
+    public function asString()
+    {
+        return self::__toString();
     }
 
     /**
diff --git a/tests/Command/AddCommandTest.php b/tests/Command/AddCommandTest.php
index 5eee04d..0eea003 100644
--- a/tests/Command/AddCommandTest.php
+++ b/tests/Command/AddCommandTest.php
@@ -36,6 +36,6 @@ public function addCommand()
         }
 
         $this->assertSame($file, implode(' ', $addCmd->getFile()));
-        $this->assertSame($expected . $file, $addCmd->run(true));
+        $this->assertSame($expected . $file, $addCmd->asString());
     }
 }
diff --git a/tests/Command/AddremoveCommandTest.php b/tests/Command/AddremoveCommandTest.php
index aae82b3..0b72b50 100644
--- a/tests/Command/AddremoveCommandTest.php
+++ b/tests/Command/AddremoveCommandTest.php
@@ -37,6 +37,6 @@ public function addremoveCommand()
         }
 
         $this->assertSame($file, implode(' ', $addremoveCmd->getFile()));
-        $this->assertSame($expected . $file, $addremoveCmd->run(true));
+        $this->assertSame($expected . $file, $addremoveCmd->asString());
     }
 }
diff --git a/tests/Command/AnnotateCommandTest.php b/tests/Command/AnnotateCommandTest.php
index d19597d..fa4cff3 100644
--- a/tests/Command/AnnotateCommandTest.php
+++ b/tests/Command/AnnotateCommandTest.php
@@ -34,6 +34,6 @@ public function annotateCommand()
         }
 
         $this->assertSame($file, implode(' ', $annotateCmd->getFile()));
-        $this->assertSame($expected . $file, $annotateCmd->run(true));
+        $this->assertSame($expected . $file, $annotateCmd->asString());
     }
 }
diff --git a/tests/Command/ArchiveCommandTest.php b/tests/Command/ArchiveCommandTest.php
index 8b623c5..cc64349 100644
--- a/tests/Command/ArchiveCommandTest.php
+++ b/tests/Command/ArchiveCommandTest.php
@@ -36,6 +36,6 @@ public function archiveCommand()
         }
 
         $this->assertSame($destination, $archiveCmd->getDestination());
-        $this->assertSame($expected . $destination, $archiveCmd->run(true));
+        $this->assertSame($expected . $destination, $archiveCmd->asString());
     }
 }
diff --git a/tests/Command/BundleCommandTest.php b/tests/Command/BundleCommandTest.php
index c3598ff..8d38473 100644
--- a/tests/Command/BundleCommandTest.php
+++ b/tests/Command/BundleCommandTest.php
@@ -36,6 +36,6 @@ public function bundleCommand()
         }
 
         $this->assertSame($destination, $bundleCmd->getFile());
-        $this->assertSame($expected . $destination, $bundleCmd->run(true));
+        $this->assertSame($expected . $destination, $bundleCmd->asString());
     }
 }
diff --git a/tests/Command/CatCommandTest.php b/tests/Command/CatCommandTest.php
index 132fabc..eb73da5 100644
--- a/tests/Command/CatCommandTest.php
+++ b/tests/Command/CatCommandTest.php
@@ -38,6 +38,6 @@ public function catCommand()
         }
 
         $this->assertSame($file, implode(' ', $catCmd->getFile()));
-        $this->assertSame($expected . $file, $catCmd->run(true));
+        $this->assertSame($expected . $file, $catCmd->asString());
     }
 }
diff --git a/tests/Command/CloneCommandTest.php b/tests/Command/CloneCommandTest.php
index 3f1eb1b..eb87cf0 100644
--- a/tests/Command/CloneCommandTest.php
+++ b/tests/Command/CloneCommandTest.php
@@ -57,7 +57,7 @@ public function cloneCommand()
             $expected = str_replace("'", '"', $expected);
         }
 
-        $this->assertSame($expected, $cloneCmd->run(true));
+        $this->assertSame($expected, $cloneCmd->asString());
     }
 
     /**
@@ -76,7 +76,7 @@ public function cloneCommandWithoutDestination()
             $expected = str_replace("'", '"', $expected);
         }
 
-        $this->assertSame($expected, $cloneCmd->run(true));
+        $this->assertSame($expected, $cloneCmd->asString());
     }
 
     /**
@@ -88,7 +88,7 @@ public function cloneCommandWithoutSource()
         $cloneCmd = Factory::getInstance('clone');
         $cloneCmd->setUncompressed(true);
         $cloneCmd->setInsecure(true);
-        $cloneCmd->run(true);
+        $cloneCmd->asString();
 
         $this->assertError("No source directory given.", E_USER_ERROR);
     }
diff --git a/tests/Command/CommitCommandTest.php b/tests/Command/CommitCommandTest.php
index 7e3227c..20cec42 100644
--- a/tests/Command/CommitCommandTest.php
+++ b/tests/Command/CommitCommandTest.php
@@ -45,6 +45,6 @@ public function commitCommand()
         }
 
         $this->assertSame($file, implode(' ', $commitCmd->getFile()));
-        $this->assertSame($expected . $file, $commitCmd->run(true));
+        $this->assertSame($expected . $file, $commitCmd->asString());
     }
 }
diff --git a/tests/Command/HeadsCommandTest.php b/tests/Command/HeadsCommandTest.php
index dd53435..49bf374 100644
--- a/tests/Command/HeadsCommandTest.php
+++ b/tests/Command/HeadsCommandTest.php
@@ -29,6 +29,6 @@ public function headsCommand()
 
         $expected = 'hg heads --rev startrev --topo --closed --template template';
 
-        $this->assertSame($expected, $headsCmd->run(true));
+        $this->assertSame($expected, $headsCmd->asString());
     }
 }
diff --git a/tests/Command/InitCommandTest.php b/tests/Command/InitCommandTest.php
index 8a6916e..50e004d 100644
--- a/tests/Command/InitCommandTest.php
+++ b/tests/Command/InitCommandTest.php
@@ -36,6 +36,6 @@ public function initCommand()
         }
 
         $this->assertSame($destination, $initCmd->getDestination());
-        $this->assertSame($expected . $destination, $initCmd->run(true));
+        $this->assertSame($expected . $destination, $initCmd->asString());
     }
 }
diff --git a/tests/Command/ManifestCommandTest.php b/tests/Command/ManifestCommandTest.php
index 16db50a..541e501 100644
--- a/tests/Command/ManifestCommandTest.php
+++ b/tests/Command/ManifestCommandTest.php
@@ -27,6 +27,6 @@ public function manifestCommand()
 
         $expected = 'hg manifest --rev test --all';
 
-        $this->assertSame($expected, $manifestCmd->run(true));
+        $this->assertSame($expected, $manifestCmd->asString());
     }
 }
diff --git a/tests/Command/PathsCommandTest.php b/tests/Command/PathsCommandTest.php
index eeae486..05969c0 100644
--- a/tests/Command/PathsCommandTest.php
+++ b/tests/Command/PathsCommandTest.php
@@ -28,6 +28,6 @@ public function pathsCommand()
         $expected = 'hg paths test';
 
         $this->assertSame('test', $pathsCmd->getName());
-        $this->assertSame($expected, $pathsCmd->run(true));
+        $this->assertSame($expected, $pathsCmd->asString());
     }
 }
diff --git a/tests/Command/PullCommandTest.php b/tests/Command/PullCommandTest.php
index 57b85a0..723d487 100644
--- a/tests/Command/PullCommandTest.php
+++ b/tests/Command/PullCommandTest.php
@@ -41,6 +41,6 @@ public function pullCommand()
         }
 
         $this->assertSame($source, $pullCmd->getSource());
-        $this->assertSame($expected . $source, $pullCmd->run(true));
+        $this->assertSame($expected . $source, $pullCmd->asString());
     }
 }
diff --git a/tests/Command/PushCommandTest.php b/tests/Command/PushCommandTest.php
index be23b49..d20673b 100644
--- a/tests/Command/PushCommandTest.php
+++ b/tests/Command/PushCommandTest.php
@@ -37,6 +37,6 @@ public function pushCommand()
         }
 
         $this->assertSame($destination, $pushCmd->getDestination());
-        $this->assertSame($expected . $destination, $pushCmd->run(true));
+        $this->assertSame($expected . $destination, $pushCmd->asString());
     }
 }
diff --git a/tests/Command/RootCommandTest.php b/tests/Command/RootCommandTest.php
index f0fe8c1..95e96f5 100644
--- a/tests/Command/RootCommandTest.php
+++ b/tests/Command/RootCommandTest.php
@@ -26,6 +26,6 @@ public function rootCommand()
 
         $expected = 'hg root';
 
-        $this->assertSame($expected, $rootCmd->run(true));
+        $this->assertSame($expected, $rootCmd->asString());
     }
 }
diff --git a/tests/Command/SummaryCommandTest.php b/tests/Command/SummaryCommandTest.php
index 89d71f0..49ef709 100644
--- a/tests/Command/SummaryCommandTest.php
+++ b/tests/Command/SummaryCommandTest.php
@@ -26,6 +26,6 @@ public function summaryCommand()
 
         $expected = 'hg summary --remote';
 
-        $this->assertSame($expected, $summaryCmd->run(true));
+        $this->assertSame($expected, $summaryCmd->asString());
     }
 }
diff --git a/tests/Command/TagCommandTest.php b/tests/Command/TagCommandTest.php
index 6b8b7de..d3236cf 100644
--- a/tests/Command/TagCommandTest.php
+++ b/tests/Command/TagCommandTest.php
@@ -37,6 +37,6 @@ public function tagCommand()
         $expected = 'hg tag --force --local --rev test --remove --edit --message text --date date --user user ';
 
         $this->assertSame($name, implode(' ', $tagCmd->getName()));
-        $this->assertSame($expected . $name, $tagCmd->run(true));
+        $this->assertSame($expected . $name, $tagCmd->asString());
     }
 }
diff --git a/tests/Command/UnbundleCommandTest.php b/tests/Command/UnbundleCommandTest.php
index 7d60eec..117d8e2 100644
--- a/tests/Command/UnbundleCommandTest.php
+++ b/tests/Command/UnbundleCommandTest.php
@@ -34,6 +34,6 @@ public function unbundleCommand()
         }
 
         $this->assertSame($file, implode(' ', $unbundleCmd->getFile()));
-        $this->assertSame($expected . $file, $unbundleCmd->run(true));
+        $this->assertSame($expected . $file, $unbundleCmd->asString());
     }
 }
diff --git a/tests/Command/UpdateCommandTest.php b/tests/Command/UpdateCommandTest.php
index 365b314..0571fb8 100644
--- a/tests/Command/UpdateCommandTest.php
+++ b/tests/Command/UpdateCommandTest.php
@@ -29,6 +29,6 @@ public function updateCommand()
 
         $expected = 'hg update --clean --check --date date --rev rev';
 
-        $this->assertSame($expected, $updateCmd->run(true));
+        $this->assertSame($expected, $updateCmd->asString());
     }
 }
diff --git a/tests/Command/VerifyCommandTest.php b/tests/Command/VerifyCommandTest.php
index 1398b69..55a1e01 100644
--- a/tests/Command/VerifyCommandTest.php
+++ b/tests/Command/VerifyCommandTest.php
@@ -25,6 +25,6 @@ public function verifyCommand()
 
         $expected = 'hg verify';
 
-        $this->assertSame($expected, $verifyCmd->run(true));
+        $this->assertSame($expected, $verifyCmd->asString());
     }
 }