def print_usage
puts "Usage: \#{@app_name} <command> <options> -- <application options>\n\n* where <command> is one of:\nstart start an instance of the application\nstop stop all instances of the application\nrestart stop all instances and restart them afterwards\nreload send a SIGHUP to all instances of the application\nrun run the application in the foreground (same as start -t)\nzap set the application to a stopped state\nstatus show status (PID) of application instances\n\n* and where <options> may contain several of the following:\n\#{@optparse.usage}\n".gsub(/^ {6}/, '')
end