An operating system is a powerful and usually extensive program that controls and manages the hardware and other software on a computer. Operating System is system software. The communication between a user and a system takes place with the help of an operating systems
Process management: Process management helps OS to create and delete processes. It also provides mechanisms for synchronization and communication among processes.
Memory management: Memory management module performs the task of allocation and de-allocation of memory space to programs in need of this resources.
File management: It manages all the file-related activities such as organization storage, retrieval, naming, sharing, and protection of files.
Device Management: Device management keeps tracks of all devices. This module also responsible for this task is known as the I/O controller. It also performs the task of allocation and de-allocation of the devices.
I/O System Management: One of the main objects of any OS is to hide the peculiarities of that hardware devices from the user.
Secondary-Storage Management: Systems have several levels of storage which includes primary storage, secondary storage, and cache storage. Instructions and data must be stored in primary storage or cache so that a running program can reference it.
Security: Security module protects the data and information of a computer system against malware threat and authorized access.
Command interpretation: This module is interpreting commands given by the and acting system resources to process that commands.
Networking: A distributed system is a group of processors which do not share memory, hardware devices, or a clock. The processors communicate with one another through the network.
Job accounting: Keeping track of time & resource used by various job and users.
Communication management: Coordination and assignment of compilers, interpreters, and another software resource of the various users of the computer systems.
Provides a platform for running applications
Handles memory management and CPU scheduling
Provides file system abstraction
Provides networking support
Provides security features
Provides user interface
Provides utilities and system services
Supports application development
It is a mobile operating system developed by Google. It is based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets.
Ubuntu is an open-source Linux-based operating system. Ubuntu is the most popular operating system in use on supercomputers and can also be found on many of the world's fastest machines.
Linux is built around the Linux kernel and is a free and open-source software operating system. It is one of the most popular operating systems for servers and embedded devices. It is also used by millions of desktop users around the world.
It is a series of graphical operating systems developed, marketed, and sold by Microsoft. The first version of Windows was released in 1985 as a GUI add-on to MS-DOS. The first version of Windows sold as a standalone operating system was Windows 95.
It is a series of graphical operating systems developed by Apple Inc. It is the successor to Mac OS X, and it is the operating system that powers Apple’s Mac family of computers.
Another example of a mobile operating system developed by Apple Inc. iOs is the successor to iPhone OS. It is an operating system that powers the iPhone, iPad, and iPod Touch products.