Apple Mac Performa 640 series - Manual (Page 9)

Your Macintosh Performa includes hardware and software that let you use
DOS and Windows directly on your Macintosh computer. It contains a high-
performance microprocessor that’s fully compatible with the latest DOS and
Windows software. You can
m simultaneously run Macintosh operating system (Mac OS) and PC
application programs
m switch between the Mac OS and PC environment at any time without
quitting the programs you’re using
m view the Macintosh or PC environment on a single monitor
m use the same hard disk for both Mac OS and PC software
m share files and folders (directories) between the Mac OS and the PC
environment
m cut, copy, and paste data between Mac OS and PC documents
m use your Macintosh keyboard and mouse with PC software
m use your Macintosh modem, monitor, and printer with PC software, or
connect PC-compatible equipment
m use a joystick or other game controller with PC programs
ix
Your DOS-Compatible
Macintosh Performa Computer