diff --git a/client/lib/engine/bin/ProtocolLib.py b/client/lib/engine/bin/ProtocolLib.py
index f51c6d6..4fa50b5 100644
--- a/client/lib/engine/bin/ProtocolLib.py
+++ b/client/lib/engine/bin/ProtocolLib.py
@@ -188,23 +188,23 @@ def ogUcastReceiverPartition (disk, par, sess, tool, level):
 
 #ogUcastSendFile ([str_REPOSITORY] [int_ndisk int_npart] /Relative_path_file sesionMcast(puerto:ip:ip:ip)" \
 #ogUcastSendFile (disk=1, par=1,     file='/aula1/winxp.img',                      sess='8000:172.17.36.11:172.17.36.12')
-#ogUcastSendFile (take_from='REPO',  file='/aula1/ubuntu.iso',                     sess='sesionUcast')
-#ogUcastSendFile (take_from='CACHE', file='/aula1/winxp.img',                      sess='sesionUcast')
+#ogUcastSendFile (container='REPO',  file='/aula1/ubuntu.iso',                     sess='sesionUcast')
+#ogUcastSendFile (container='CACHE', file='/aula1/winxp.img',                      sess='sesionUcast')
 #ogUcastSendFile (                   file='/opt/opengnsys/images/aula1/hd500.vmx', sess='sesionUcast')
-def ogUcastSendFile (disk=None, par=None, take_from=None, file=None, sess=None):
+def ogUcastSendFile (disk=None, par=None, container=None, file=None, sess=None):
     if file is None:
         raise TypeError ('missing required argument: "file"')
     if sess is None:
         raise TypeError ('missing required argument: "sess"')
 
-    if take_from is not None:
+    if container is not None:
         if disk is None and par is None:
-            ## we were given take_from=
-            source = FileLib.ogGetPath (src=take_from, file=file)
-            dev_err = f'{take_from} {file}'
-            print (f'ogGetPath (src=({take_from}), file=({file})) = source ({source})')
+            ## we were given container=
+            source = FileLib.ogGetPath (src=container, file=file)
+            dev_err = f'{container} {file}'
+            print (f'ogGetPath (src=({container}), file=({file})) = source ({source})')
         else:
-            raise TypeError ('argument "take_from" can be specified along neither "disk" nor "par"')
+            raise TypeError ('argument "container" can be specified along neither "disk" nor "par"')
 
     else:
         if disk is not None and par is not None:
@@ -459,23 +459,23 @@ def ogMcastSyntax (op, sess, file=None, device=None, tool=None, level=None):
 
 #ogMcastSendFile [str_REPOSITORY] [int_ndisk int_npart] /Relative_path_file sesionMcast" \
 #ogMcastSendFile (disk=1, par=1,     file='/aula1/winxp.img',                      sess='sesionMcast')
-#ogMcastSendFile (take_from='REPO',  file='/aula1/ubuntu.iso',                     sess='sesionMcast')
-#ogMcastSendFile (take_from='CACHE', file='/aula1/winxp.img',                      sess='sesionMcast')
+#ogMcastSendFile (container='REPO',  file='/aula1/ubuntu.iso',                     sess='sesionMcast')
+#ogMcastSendFile (container='CACHE', file='/aula1/winxp.img',                      sess='sesionMcast')
 #ogMcastSendFile (                   file='/opt/opengnsys/images/aula1/hd500.vmx', sess='sesionMcast')
-def ogMcastSendFile (disk=None, par=None, take_from=None, file=None, sess=None):
+def ogMcastSendFile (disk=None, par=None, container=None, file=None, sess=None):
     if file is None:
         raise TypeError ('missing required argument: "file"')
     if sess is None:
         raise TypeError ('missing required argument: "sess"')
 
-    if take_from is not None:
+    if container is not None:
         if disk is None and par is None:
-            ## we were given take_from=
-            source = FileLib.ogGetPath (src=take_from, file=file)
-            dev_err = f'{take_from} {file}'
-            print (f'ogGetPath (src=({take_from}), file=({file})) = source ({source})')
+            ## we were given container=
+            source = FileLib.ogGetPath (src=container, file=file)
+            dev_err = f'{container} {file}'
+            print (f'ogGetPath (src=({container}), file=({file})) = source ({source})')
         else:
-            raise TypeError ('argument "take_from" can be specified along neither "disk" nor "par"')
+            raise TypeError ('argument "container" can be specified along neither "disk" nor "par"')
 
     else:
         if disk is not None and par is not None:
@@ -526,23 +526,23 @@ def ogMcastSendFile (disk=None, par=None, take_from=None, file=None, sess=None):
 #
 
 #ogMcastReceiverFile ([ str_portMcast] [ [Relative_path_file] | [str_REPOSITORY path_file] |  [int_ndisk int_npart path_file ]  ]" \
-#ogMcastReceiverFile (                  file='/PS1_PH1.img',       sess='9000')
-#ogMcastReceiverFile (write_to='CACHE', file='/aula1/PS2_PH4.img', sess='9000')
-#ogMcastReceiverFile (disk=1, par=1,    file='/isos/linux.iso',    sess='9000')
-def ogMcastReceiverFile (disk=None, par=None, write_to=None, file=None, sess=None):
+#ogMcastReceiverFile (                   file='/PS1_PH1.img',       sess='9000')
+#ogMcastReceiverFile (container='CACHE', file='/aula1/PS2_PH4.img', sess='9000')
+#ogMcastReceiverFile (disk=1, par=1,     file='/isos/linux.iso',    sess='9000')
+def ogMcastReceiverFile (disk=None, par=None, container=None, file=None, sess=None):
     if file is None:
         raise TypeError ('missing required argument: "file"')
     if sess is None:
         raise TypeError ('missing required argument: "sess"')
 
-    if write_to is not None:
+    if container is not None:
         if disk is None and par is None:
-            ## we were given write_to=
-            targetdir = FileLib.ogGetParentPath (src=write_to, file=file)
-            dev_err = f'{write_to} {file}'
-            print (f'ogGetParentPath (src=({write_to}), file=({file})) = targetdir ({targetdir})')
+            ## we were given container=
+            targetdir = FileLib.ogGetParentPath (src=container, file=file)
+            dev_err = f'{container} {file}'
+            print (f'ogGetParentPath (src=({container}), file=({file})) = targetdir ({targetdir})')
         else:
-            raise TypeError ('argument "write_to" can be specified along neither "disk" nor "par"')
+            raise TypeError ('argument "container" can be specified along neither "disk" nor "par"')
 
     else:
         if disk is not None and par is not None:
@@ -674,9 +674,9 @@ def ogMcastRequest (img, proto):
 
 #ogCreateTorrent ([str_REPOSITORY] [int_ndisk int_npart] Relative_path_file IpBttrack)
 #ogCreateTorrent (disk=1, par=1,     file='/aula1/winxp', ip_bttrack='10.1.15.23')
-#ogCreateTorrent (take_from='REPO',  file='/aula1/winxp', ip_bttrack='10.1.15.45')
-#ogCreateTorrent (take_from='CACHE', file='/aula1/winxp', ip_bttrack='10.1.15.45')
-def ogCreateTorrent (disk=None, par=None, take_from=None, file=None, ip_bttrack=None):
+#ogCreateTorrent (container='REPO',  file='/aula1/winxp', ip_bttrack='10.1.15.45')
+#ogCreateTorrent (container='CACHE', file='/aula1/winxp', ip_bttrack='10.1.15.45')
+def ogCreateTorrent (disk=None, par=None, container=None, file=None, ip_bttrack=None):
     if file is None:
         raise TypeError ('missing required argument: "file"')
     if ip_bttrack is None:
@@ -684,19 +684,19 @@ def ogCreateTorrent (disk=None, par=None, take_from=None, file=None, ip_bttrack=
 
     from_cache = False
 
-    if take_from is not None:
+    if container is not None:
         if disk is None and par is None:
-            ## we were given take_from=
-            if 'CACHE' == take_from: from_cache = True
-            ext = ImageLib.ogGetImageType (take_from, file)
+            ## we were given container=
+            if 'CACHE' == container: from_cache = True
+            ext = ImageLib.ogGetImageType (container, file)
             if ext is None:
-                SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, f'{take_from} {file}')
+                SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, f'{container} {file}')
                 return
             f = f'{file}.{ext}'
-            source = FileLib.ogGetPath (src=take_from, file=f)
-            print (f'ogGetPath (src=({take_from}), file=({f})) = source ({source})')
+            source = FileLib.ogGetPath (src=container, file=f)
+            print (f'ogGetPath (src=({container}), file=({f})) = source ({source})')
         else:
-            raise TypeError ('argument "take_from" can be specified along neither "disk" nor "par"')
+            raise TypeError ('argument "container" can be specified along neither "disk" nor "par"')
 
     else:
         if disk is not None and par is not None: