diff --git a/Control.plist b/Control.plist
index f0fa6c7..3cc6619 100644
--- a/Control.plist
+++ b/Control.plist
@@ -127,6 +127,7 @@
           Time = 30;            // Interval for relaunching after crash
 	};
       };
+
       /* Specify launch order ... Feep first, Bar second
        * Processes not listed here are launched in lexicographical order
        * after any processes which are listed.
@@ -135,11 +136,13 @@
         Feep,                                   // Launch Feep first
         Bar                                     // Launch Bar second
       );
+
       /* Specify how many tasks the Command server may have launching
        * concurrently (default is 20).  You may want to set this to a
        * lower value in order to reduce load when the system start up.
        */
       LaunchLimit = 20;
+
       /* Specify whether, when the Command server starts, launching of
        * tasks should be suspeneded (as if the 'suspend' command had been
        * sent to it from the Console).
@@ -147,6 +150,20 @@
        */
       LaunchStartSuspended = NO;
 
+      /* Optionally specify an alternative default environment for launched
+       * processes.  If this is not set then the environment in which the
+       * Command server was launched is used.
+       *  SetE = {
+       *  };
+       */
+
+      /* Optionally specify additions to the default environment for launched
+       * processes.  This is typically used to modify the information that
+       * comes from the enveironment the Command server was launched in.
+       *  AddE = {
+       *  };
+       */
+
       /* Configure all tasks to be run under valgrind specifying the path
        * to the process, which may be overridden on a per-process basis
        * in the Launch config.  Setting ValgrindPath to an empty string
diff --git a/EcCommand.m b/EcCommand.m
index 5979e33..4dcbc68 100644
--- a/EcCommand.m
+++ b/EcCommand.m
@@ -519,9 +519,13 @@ desiredName(Desired state)
  *   Defaults to 180, but logs may still be deleted as if this were set
  *   to CompressLogsAfter if NodesFree or SpaceFree is reached.
  *
- * Environment
+ * SetE
  *   A dictionary setting the default environment for launched processes.
  *
+ * AddE
+ *   A dictionary overriding parts of the default environment for launched
+ *   processes.
+ *
  * Launch
  *   A dictionary describing the processes which the server is responsible
  *   for launching.
@@ -4064,13 +4068,29 @@ NSLog(@"Problem %@", localException);
               ASSIGNCOPY(launchOrder, newOrder);
             }
 
-	  o = [d objectForKey: @"Environment"];
-	  if ([o isKindOfClass: [NSDictionary class]] == NO)
+	  o = [d objectForKey: @"SetE"];
+          if (o != nil && NO == [o isKindOfClass: [NSDictionary class]])
+            {
+	      NSLog(@"Bad global 'SetE' information in latest config update");
+	      o = nil;
+            }
+          if (nil == o)
+            {
+              o = [[NSProcessInfo processInfo] environment];
+            }
+          NSMutableDictionary   *env = [o mutableCopy];
+
+	  o = [d objectForKey: @"AddE"];
+	  if (o != nil && [o isKindOfClass: [NSDictionary class]] == NO)
 	    {
-	      NSLog(@"No 'Environment' information in latest config update");
+	      NSLog(@"Bad global 'AddE' information in latest config update");
 	      o = nil;
 	    }
-	  ASSIGN(environment, o);
+          if (o)
+            {
+	      [env addEntriesFromDictionary: o];
+            }
+	  ASSIGN(environment, env);
 
 	  k = [d objectForKey: @"NodesFree"];
 	  if (YES == [k isKindOfClass: [NSString class]])