system() fixed vm detection (linux)

docs/history.html

@@ -56,6 +56,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">5.6.20</th>
+                    <td>2021-05-07</td>
+                    <td><span class="code">system()</span> fixed vm detection (linux)</td>
+                  </tr>
                   <tr>
                     <th scope="row">5.6.19</th>
                     <td>2021-05-06</td>

docs/index.html

@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      <div class="version">New Version: <span id="version">5.6.19</span></div>
+      <div class="version">New Version: <span id="version">5.6.20</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">