Hello world program using the APL session. We can prepare the ground for this to work by ... {{{ ⎕LX←⍞ 'Hello world' )save c:\hello c:\hello saved Thu Feb 28 09:27:53 2008 }}} If at a command prompt we then type "c:\hello.dws" using whatever file extension is used by your favourite APL and if your operating system has been configured to start APL when given a workspace name and if you have a development system rather than a runtime only license and ... {{attachment:hellosession.jpg}} Impressive or what? CategoryHelloWorld