2018-10-312018-10-3120012001http://196.43.179.3:8080/xmlui/handle/123456789/8451.Introduction; 2.What is an operating system?; 3.History of operating systems; 4.What an operating system does; 5.Microsoft Windows; 6.Mac OS; 7.UNIX; 8.Linux; 9.GNU; 10.Other operating systems...en-USBook