Classification Of Functioning System

Keywords: operating system classification, classification of os

An OPERATING-SYSTEM is the essential software of personal computers that delivers an interface between your computer programs and hardwares.

Operating system also provides a software platform on top to other programs, they may be called request programs (Application program: is the software that helps the users to make typical functions, like making content material, others). The selection of the operating system, determinates the fantastic extent of the application that you can run.

The basic functions of the O. S. are controlling machine resources, coordinate the hardware and organize data and directories on storage area devices.

Classification of Working Systems

Operating systems can be grouped the following:

Multi-user: is the one that concede two or more users to use their programs at the same time. Some of O. S enables hundreds or even a large number of users all together.

Single-User: just allows one customer to make use of the programs at one time.

Multiprocessor: Supports starting the same program more than simply in one CPU.

Multitasking: Allows multiple programs working at the same time.

Single-tasking: Allows different parts of an individual program operating at anybody time.

Real time: Responds to insight instantly. Os's such as DOS and UNIX, do not work in real time.

Operating system functions

The operating system provides several functions:

  • Management Processor chip:

Operating System Processor manages the distribution among programs utilizing a programming algorithm.

  • Management Random Gain access to Memory:

Operating system manages the memory space allocated for every application and each individual, if appropriate. When physical storage area is inadequate, the O. S creates an area of ram on the hard drive, called "virtual recollection. " Virtual ram permits you to run applications that want a capacity of memory beyond available RAM in the system. However, this storage area is a lot slower.

  • Management of type / output:

Operating system to unify and control access to materials resources programs through the motorists (also known as administrators peripheral or source / result).

  • Execution Management applications:

Operating system ensures that applications run effortlessly by allocating the resources they have to function. This means that if a credit card applicatoin does not reply properly may "succumb".

  • Managing specialists:

Operating system is accountable for security in connection with the execution of programs by make sure you that resources are used limited to programs and users with appropriate authorization.

  • File management:

The O. S manages all the writing and reading in the data file system and gain access to permissions to data files and consumer applications. File system that permits data files to be documented in a tree framework.

  • Information management:

Operating system provides a huge selection of indicators you can use to identify the procedure of the gear.

Operating System Components

The system contains a set of software that can be used to manage relationships with the hardware. These things are usually one of them group of software:

The center: This symbolizes the core operating system functions, such as recollection management, processes, data files, inputs / main outputs and communication functions.

The shell: This allows communication with the operating system by using a control terms, allowing the user to control these devices without knowing the characteristics of hardware, the management of physical addresses, and so on.

First operating-system originated by IBM with a young man named Invoice Gates, this may run on different personal computers from different manufacturers, it was called DOS (Disk OPERATING-SYSTEM), but variations between the gatherings did not set off a pitch. DOS was only a text display screen with a demand line that instructs us which listing even as we were only data for advice. You'd to "know" that "things" had to write for the machine to "do something. There wasn't a context menu, and graphical displays to guide us.

But in the beginning there were these systems presented so elegantly numerous colors, there is only the demand line program that to only people who got great computer knowledge could use the computer systems.


At 80's show up Mac Operating-system systems and MS-DOS, House windows.

The exponential progress of users, the majority of them without the knowledge of dialects for high or low, made in the 80, the goal of making an operating-system was the ease of use, thus producing the first customer interfaces.

Macintosh is the name under which we presently refer to any personal computer designed, developed, built and promoted by Apple Inc. Macintosh 128K premiered on July 22, 1984 and was the first pc that was effectively marketed, which used a GUI and mouse instead of the standard of that time, the demand line interface

GUI employs a WIMP environment (windows, icons, menus and pointer). The background of the display is named desktop, which details an image called symbols.

Apple in 1984 produced the Macintosh, the first computer with mouse and graphical user interface (GUI). A couple of years later, Microsoft launched House windows, another operating system based in graphics and intuitive tools

List of Operating-system:

  • Windows 7
  • Windows XP Professional
  • Ubuntu
  • Macintosh OSX
  • Microsoft Vista
  • Fedora
  • Mac OS X Leopard
  • Microsoft Home windows 1. 0
  • Xandros Linux
  • Microsoft Windows 3. 1
  • Unix
  • Linux

Microsoft Windows

Microsoft Glass windows is a series of software operating-system based in graphical users interfaces made by Microsoft.

The different variants of House windows are:

  • Windows 1. 0
  • Windows 2. 0
  • Windows 3. 0
  • Windows 95
  • Windows 98
  • Windows XP
  • Windows Vista
  • Windows 7

Mac OS

Mac OS can be an operating systems developed by Apple Computer Inc. Macintosh is popular because the visual interface, it was the essential and unnamed system software first introduced in 1984 but is usually it referred to simply as the machine software.

Mac OS can be split into two households:

  1. The Mac Operating-system Basic family.
  2. The Mac OS X operating-system.


This was developed in 1969 by a group of employees of AT & T Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas Mcllroy, and Joe Ossanna. UNIX was developed in assembly terms, but 1973 have been almost completely recoded in C, facilitating their development and migration to other hardware. This Operating System's entirely on mainframes and workstations in commercial Installations.


Linux has its source in UNIX. He proved in the sixties, produced by analysts Dennis Ritchie and Ken Thompson of AT & T Bell Labs.

Andrew Tanenbaum developed a Unix-like operating system called Minix to teach students to design an operating-system. Due to the teaching procedure of Minix, Tanenbaum never allowed him to be modified, and complications that may be introduced into the system for his or her students, but Finnish university student known as Linus Torvalds, verifying that this was not possible to increase Minix, made a decision to write his own operating system compatible with UNIX.

Linux can be installed on all kind of computer no subject the hardware. This O. S is a leading server operative system, and can operates the 10 speediest supercomputers in the entire world, and the best two thing of it is that u don´t get trojan and is free.

Mobile Working System

The mobile O. S is the Operating system that manages all cellular devices.

The different systems for mobiles are:

  • Windows Mobile
  • Palms OS
  • BlackBerry OS
  • Symbian OS
  • Android
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