--- a/OSProcess.st	Tue Jan 16 23:22:57 2018 +0100
+++ b/OSProcess.st	Wed Jan 17 13:31:40 2018 +0100
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "{ Package: 'stx:libbasic' }"
 
 "{ NameSpace: Smalltalk }"
@@ -167,6 +169,11 @@
     command := aStringOrArray.
 !
 
+command:commandStringArg directory:stringOrFilenameArg
+    command := commandStringArg.
+    directory := stringOrFilenameArg.
+!
+
 command:commandArg environment:environmentArg directory:directoryArg inStream:inStreamArg outStream:outStreamArg errorStream:errorStreamArg auxStream:auxStreamArg showWindow:showWindowArg lineWise:lineWiseArg 
     command := commandArg.
     environment := environmentArg.
@@ -187,10 +194,10 @@
     "Created: / 10.11.1998 / 21:21:52 / cg"
 !
 
-directory:aString
+directory:aStringOrFilename
     "set the directory that will be set as the current directory of the command to be executed"
 
-    directory := aString.
+    directory := aStringOrFilename.
 !
 
 environment