Using QuickBASIC The left side of the Contents screen contains hyperlinks to general topics about how to use QuickBASIC. Topic Summary ◄Shortcut Key Summary► A table display of the keystroke combinations QuickBASIC recognizes as commands. Some key combinations are equivalent to QuickBASIC menu commands; others execute commands that are not in the menus. ◄Limits to QuickBASIC► Displays the maximum and minimum sizes and values of objects that QuickBASIC can handle. ◄Version 4.5 Differences► Compares the new features built into QuickBASIC 4.5 with those in versions 2.0, 3.0, and 4.0. ◄QB Command Line Options► Displays all the options you can use in the command line when you invoke QuickBASIC. ◄Survival Guide► Summarizes how to use the keyboard and mouse with QuickBASIC menus, dialog boxes, and windows.