An operating system (OS) is a special program, programmers and users carry out their planned actions to help interacting with the computer. Modern desktop computer, people think that the behavior of computer programs on the OS because the operating system the user can see. Human with the computer operating system to hide the complexity of the underlying hardware. In addition, devices such as mobile phone operating system, although those who use them may not be aware of their presence even know his name.
The largest part of an operating system kernel is usually called. Core many special (a driver of some piece of hardware in your computer as a hard drive or mouse, is the specialist) drivers support is supported by the program. Kernel also needs a user interface program. Early stage about users who experience it as a dull waiting for the invisible, after a computer is turned on. Operating systems and hardware that is currently being investigated and tested in this phase information about the logo.
In an IBM compatible PC, if the post is successful, a low signal is issued and passes control to the operating system, but if there is a (for example, a video does not work) problem, post theToday we take for granted the features users had absolutely no computer pioneers. Boot Loader is one of those tasks. The first computer does not start automatically. The trouble many individual machine instructions from the input to run only in the event of an operating system for computers was necessary for a programmer.
Boot loader invented the first of many important developmental steps to eventually use was between computers more easily. Modern "bootloader" user is a boot up the machine run multiple operating systems in the menu can include a choice of different operating systems. Kernel operating system program that the processor and memory resources, this team has made available to create, communicate with drivers (programs that experts on a particular piece of hardware), and file system management and network connections. These tasks generally require the user access to protected resources, the kernel is also responsible for managing access rights and user's identity.
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