Cisco IOS

Cisco IOS, which stands for Internetwork Operating System, is the software that runs on Cisco networking devices like routers and switches. Think of it as the operating system that manages how these devices operate and communicate with each other and the internet. It provides the necessary functions for routing data, securing networks, and managing traffic. Network administrators use IOS to configure settings, troubleshoot issues, and enhance connectivity within various networks. Essentially, it's a critical component that helps ensure reliable and efficient network performance.