"Operating System - All In One" is an Android application aimed at providing an environment for learning and preparing the concepts of operating systems. It is designed for students of BE, Diploma, MCA, BCA, and for those who want to clear their understanding of operating systems. The app covers a wide range of topics, including process management, threads, CPU scheduling, memory management, system security, and many more.

The app offers several features such as tutorials, objective type questions, solved descriptive questions, interview questions, old question papers, important formulas, self-evaluation tests, and daily bits of OS. The user-friendly environment of the app allows for easy navigation and fully offline access.

This app is beneficial for university exam preparation, competitive exams, and all those who want to enhance their knowledge of operating systems. The app is free to download and use, and its latest version is 1.5. The developers of the app are PRADIP R GANGODA.

Note for old users: It is recommended to reinstall the app instead of updating it to avoid database issues. Connect with the developers through their Facebook page or website for more information.