Command Reference is an Android application developed by ZerOnes, available for free in the Business & Productivity category. The app covers CISCO IOS commands for configuring CISCO routers and switches, and includes various routing configurations.

The app provides a brief narration explaining many of the commands, making it easy for users to understand and implement. It includes a list of 11 categories, ranging from basic operations to general switch commands. Each category is further divided into subcategories, making it easy to find the command you need.

Whether you're a network engineer, a student, or simply interested in learning more about CISCO IOS commands, Command Reference is a comprehensive guide that offers valuable information. The app is user-friendly and well-organized, making it easy to navigate and find the information you need.