Applications run on offline-mode when you run them on command-line. Input form data for the applications in gname=valueh format and push Ctrl-D to run.
[localhost:/cgi-bin/Examples] user% ./Examples.cgi (offline mode: enter name=value pairs on standard input) # Ctrl-D Content-Type: text/html <html> <head> <title>Examples</title> </head> <frameset cols="200,*"> <frame name="Index" src="?element_id=IndexPage"> <frame name="Contents" src="?element_id=IntroductionPage"> <noframes> <body> Use other browser. </body> </noframes> </frameset>