CCNA英文教程.pdfVIP

Operating Systems Networking for Home and Small Businesses – Chapter 2 Networking for Home and Small Businesses – Chapter 2 NNeettwwoorrkkiinngg ffoorr HHoommee aanndd SSmmaallll BBuussiinneesssseess –– CChhaapptteerr 22 思科网络技术学院理事会. 1 Objectives Objectives OObbjjeeccttiivveess � Describe the purpose of an OS and identify common operating systems available. � Perform an actual or simulated installation of an operating system and prepare the computer to participate on the network. � Maintain the operating system. 思科网络技术学院理事会. 2 Context Index Context Index CCoonntteexxtt IInnddeexx � 2.1 Choosing the Operating Systems � 2.2 Installing the Operating System � 2.3 Maintaining the Operating System 思科网络技术学院理事会. 3 2.1 Choosing the Operating Systems 思科网络技术学院理事会. 4 2.1.1 Purpose of an Operating System 2.1.1 Purpose of an Operating System 22..11..11 PPuurrppoossee ooff aann OOppeerraattiinngg SSyysstteemm � System components and peripherals, by themselves, are nothing more than a collection of electronics and mechanical parts. To get these parts to work together to perform a specific task, a special type of computer program, known as an operating system (OS), is required. 思科网络技术学院理事会. 5 2.1.1 Purpose of an Operating System 2.1.1 Purpose of an Operating System 22..11..11 PPuurrppoossee ooff aann OOppeerraattiinngg SSyysstteemm � The OS acts like a translator between user applications and the hardware. User Interface: CLI vs. GUI Use of resources: OS vs. NOS 思科网络技术学院理事会. 6 2.1.1 Purpose of an Operating System 2.1.1 Purpose of an Operating Syste