versions() fix Command Injection issue (linux), added smartmontools support (macOS)

docs/filesystem.html

@@ -242,8 +242,8 @@
                       <td>[0].temperature</td>
                       <td>X</td>
                       <td></td>
-                      <td></td>
-                      <td></td>
+                      <td>X</td>
+                      <td>X</td>
                       <td></td>
                       <td>S.M.A.R.T temperature (if available)</td>
                     </tr>
@@ -252,7 +252,7 @@
                       <td>[0].smartData</td>
                       <td>X</td>
                       <td></td>
-                      <td></td>
+                      <td>X</td>
                       <td>X</td>
                       <td></td>
                       <td>full S.M.A.R.T data from smartctl<br>requires at least smartmontools 7.0<br>(see Known Issues)</td>