Cisco IOS

Cisco IOS (Internetwork Operating System) is a proprietary operating system developed by Cisco Systems for their networking devices.

• Used in routers, switches, and other network infrastructure equipment
• Provides a command-line interface (CLI) for device configuration and management
• Implements various networking protocols and features
• Supports different versions and feature sets tailored to specific device types and requirements
• Allows for network automation and programmability through APIs and scripting