Best Operating System for Startups in 2025

In an operating system, the shell is a user interface that allows you to access the operating system's services. It is a program that acts as a layer between the user and the kernel, which is the core of the OS. The shell accepts commands or user input, interprets them, and then communicates with the kernel to execute the requested actions.

The operating system (OS) is the most important software on a computer, responsible for managing hardware and software resources and providing core functions for other programs. Its main functions can be grouped into resource management, providing a user interface, and ensuring system stability and security.

There are five main types of operating systems, though they can be categorized in different ways; the most common are General-purpose OS (like Windows, macOS, and Linux), Mobile OS (Android, iOS), Embedded OS (for appliances and wearables), Real-time OS (for critical timing, e.g., medical equipment), and Network OS (for managing network resources).

Sabse lokpriye mobile operating system hai google ka Android.

To uninstall most apps on a Mac, drag their icon from the Applications folder to the Trash, then empty the Trash to complete the process. Apps from the App Store can often be uninstalled by opening Launchpad, clicking and holding the app until it jiggles, and then clicking the "X" icon that appears.