Cisco IOS, Internetworking Operating System, is a very specialized proprietary operating system (OS) only for network routers and switches. It is dynamically upgradable, internetwork optimized, router-centric; provides common IP fabric, functionality and command-line interface (CLI) across a network. In its niche it is viewed as sophisticated, cost-effective. Does not run applications in the normal sense. Extremely command line oriented, said to be fully configured via only one configuration file.
Brief, clear definition and description, by Romanian Cisco Partner, Datanet Systems.
O'Reilly and Associates guide to configuring for TCP/IP protocol family, user interface, configuring lines and interfaces, access lists, routing protocols, dial-on-demand routing, security, quick reference to commands to work with TCP/IP and lower-level protocols, many examples.
Root page for Cisco's network OS: sophisticated, cost-effective, dynamically upgradable, internetwork optimized, router-centric; provides common IP fabric, functionality and command-line interface (CLI) across a network.
A network management application giving experts a visual configuration editor and specialized terminal emulation for any Cisco IOS based devices, such as routers and switches.
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