On a Linux system, Suse 11.1 with Gnome desktop, when executing the following line:
parse upper pull totest option
the value typed in is not echoed to the terminal. The Rexx program that contains
this line is invoked by a C++ program that is running under Mono 2.4.
On a Windows system the value is echoed to the terminal. On Windows the Rexx program
is invoked by a Managed C++ program running under .Net 2.0.