Welcome to Operating Systems. Operating systems are reponsible for
allocating and controlling computer resources. Operating systems are reponsible for
providing an enhance interface to application programs. Finally, operating systems
are responsible for providing a user interface. In addition to general purpose
operating systems such as Mac-OS, Microsoft Windows, and Unix, there are many
special purpose oprating systems residing inside of game controllers, Palm Pilots,
industrial control equipment, and many other appliances.