diff --git a/modules/desktop-lock.js b/modules/desktop-lock.js
new file mode 100644
index 0000000..83789c2
--- /dev/null
+++ b/modules/desktop-lock.js
@@ -0,0 +1,46 @@
+/*
+Copyright 2019 Intel Corporation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+function desktopLock()
+{
+    this._ObjectID = 'desktop-lock';
+    this.lock = function lock()
+    {
+        switch(process.platform)
+        {
+            case 'win32':
+                var child = require('child_process').execFile(process.env['windir'] + '\\system32\\cmd.exe', ['/c', 'RunDll32.exe user32.dll,LockWorkStation'], { type: require('user-sessions').isRoot()?1:undefined });                
+                child.waitExit();
+                break;
+            case 'linux':
+                var child = require('child_process').execFile('/bin/sh', ['sh']);
+                child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
+                child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
+                child.stdin.write('loginctl lock-sessions\nexit\n');
+                child.waitExit();
+                if (child.stderr.str != '') { throw ('Failed'); }
+                break;
+            case 'darwin':
+                return(require('message-box').lock());
+                break;
+            default:
+                throw ('Not supported on ' + process.platform);
+                break;
+        }
+    };
+}
+
+module.exports = new desktopLock();