Prolog Shell and Prompt for Algorithm Writer Prolog prompt for testing, student use Registered accounts, allows ethical hacking Can save Prolog shell and prompt sessions - Can delete sessions Manage multitasking Prolog shell and prompt (interpreter) that give error codes and automatic correction List Shell and List Prolog (Prompt) - Do in blocks, not simultaneously - For memory management and handling of background tasks - Algorithms coordinate Cron task manager (run every 5 minutes) and web sessions through "session open/completed" and instant detection of web session opening to continue a currently running session (not necessarily with output only, i.e. could be waiting for input, in which case server could send notification) by recognising when it is needed to continue through web on server program - Session IDs and logins are used to find sessions, which run in the background