--- a/AbstractOperatingSystem.st	Thu Mar 28 15:20:13 2019 +0100
+++ b/AbstractOperatingSystem.st	Thu Mar 28 15:21:35 2019 +0100
@@ -1199,21 +1199,22 @@
      Return true if successful, false otherwise."
 
      ^ self
-	executeCommand:aCommandString
-	inputFrom:nil
-	outputTo:nil
-	errorTo:nil
-	auxFrom:nil
-	environment:nil
-	inDirectory:nil
-	lineWise:false
-	onError:[:status| false]
+        executeCommand:aCommandString
+        inputFrom:nil
+        outputTo:nil
+        errorTo:nil
+        auxFrom:nil
+        environment:nil
+        inDirectory:nil
+        lineWise:false
+        onError:[:status| false]
 
     "unix:
 
      OperatingSystem executeCommand:'sleep 30'.
      OperatingSystem executeCommand:'pwd'.
      OperatingSystem executeCommand:'ls -l'.
+     OperatingSystem executeCommand:#('/bin/ls' '-l') outputTo:Transcript.
      OperatingSystem executeCommand:'invalidCommand'.
      OperatingSystem executeCommand:'rm /tmp/foofoofoofoo'.
     "