diff --git a/src/fenrir-package/screen/linux.py b/src/fenrir-package/screen/linux.py
index 7a55596a..6a33a94e 100644
--- a/src/fenrir-package/screen/linux.py
+++ b/src/fenrir-package/screen/linux.py
@@ -7,52 +7,52 @@ import time
 #import fenrir.utils.debug
 class screenManager():
     def __init__(self, device='/dev/vcsa'):
-        self.vcsaDevice = device
+        self.vcsaDevicePath = device
 
-    def analyzeScreen(self, runtime):
+    def analyzeScreen(self, environment):
         # read screen
         currTTY = open('/sys/devices/virtual/tty/tty0/active','r')
         runtime['newTTY'] = currTTY.read()[3:-1]
         currTTY.close() 
         
         try:
-            vcsa = open(self.vcsaDevice + runtime['newTTY'] ,'rb',0)
-            runtime['newContentBytes'] = vcsa.read()
+            vcsa = open(self.vcsaDevicePath + environment['screenData']['newTTY'] ,'rb',0)
+            environment['screenData']['newContentBytes'] = vcsa.read()
             vcsa.close()
         except:
             return runtime
 
         # get metadata like cursor or screensize
-        runtime['lines'] = int( runtime['newContentBytes'][0])
-        runtime['columns'] = int( runtime['newContentBytes'][1])
-        runtime['newCursor']['x'] = int( runtime['newContentBytes'][2])
-        runtime['newCursor']['y'] = int( runtime['newContentBytes'][3])
+        environment['screenData']['lines'] = int( environment['screenData']['newContentBytes'][0])
+        environment['screenData']['columns'] = int( environment['screenData']['newContentBytes'][1])
+        environment['screenData']['newCursor']['x'] = int( environment['screenData']['newContentBytes'][2])
+        environment['screenData']['newCursor']['y'] = int( environment['screenData']['newContentBytes'][3])
 
         # analyze content
-        runtime['newContentText'] = str(runtime['newContentBytes'][4:][::2].decode('cp1252').encode('utf-8'))[2:]
-        runtime['newContentAttrib'] = runtime['newContentBytes'][5:][::2]
-        runtime['newContentText'] = '\n'.join(textwrap.wrap(runtime['newContentText'], runtime['columns']))[:-2]
+        environment['screenData']['newContentText'] = str(environment['screenData']['newContentBytes'][4:][::2].decode('cp1252').encode('utf-8'))[2:]
+        environment['screenData']['newContentAttrib'] = environment['screenData']['newContentBytes'][5:][::2]
+        environment['screenData']['newContentText'] = '\n'.join(textwrap.wrap(environment['screenData']['newContentText'], environment['screenData']['columns']))[:-2]
         
-        if runtime['newTTY'] != runtime['oldTTY']:
-            runtime['oldContentBytes'] = b''
-            runtime['oldContentAttrib'] = b''
-            runtime['oldContentText'] = ''
-            runtime['oldCursor']['x'] = 0
-            runtime['oldCursor']['y'] = 0
+        if environment['screenData']['newTTY'] != environment['screenData']['oldTTY']:
+            environment['screenData']['oldContentBytes'] = b''
+            environment['screenData']['oldContentAttrib'] = b''
+            environment['screenData']['oldContentText'] = ''
+            environment['screenData']['oldCursor']['x'] = 0
+            environment['screenData']['oldCursor']['y'] = 0
 
         # changes on the screen
-        if runtime['oldContentBytes'] != runtime['newContentBytes']:
-            if ((len(runtime['delta']) < 4) or runtime['oldTTY'] != runtime['newTTY']):
-                runtime['speechDriver'].cancel()
-            diff = difflib.ndiff(runtime['oldContentText'], runtime['newContentText'])
-            runtime['delta'] = ''.join(x[2:] for x in diff if x.startswith('+ '))
-            runtime['speechDriver'].speak(runtime['delta'])
+        if environment['screenData']['oldContentBytes'] != environment['screenData']['newContentBytes']:
+            if ((len(environment['screenData']['delta']) < 4) or environment['screenData']['oldTTY'] != environment['screenData']['newTTY']):
+                environment['runtime']['speechDriver'].cancel()
+            diff = difflib.ndiff(runtime['oldContentText'], environment['screenData']['newContentText'])
+            environment['screenData']['delta'] = ''.join(x[2:] for x in diff if x.startswith('+ '))
+            environment['runtime']['speechDriver'].speak(environment['screenData']['delta'])
 
             # set new "old" values
-            runtime['oldContentBytes'] = runtime['newContentBytes']
-            runtime['oldContentText'] = runtime['newContentText']
-            runtime['oldContentTextAttrib'] = runtime['newContentAttrib']
-            runtime['oldCursor']['x'] = runtime['newCursor']['x']
-            runtime['oldCursor']['y'] = runtime['newCursor']['y']
-            runtime['oldTTY'] = runtime['newTTY']
-        return runtime
+            environment['screenData']['oldContentBytes'] = environment['screenData']['newContentBytes']
+            environment['screenData']['oldContentText'] = environment['screenData']['newContentText']
+            environment['screenData']['oldContentTextAttrib'] = environment['screenData']['newContentAttrib']
+            environment['screenData']['oldCursor']['x'] = environment['screenData']['newCursor']['x']
+            environment['screenData']['oldCursor']['y'] = environment['screenData']['newCursor']['y']
+            environment['screenData']['oldTTY'] = environment['screenData']['newTTY']
+        return environment