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4.9. Features of the operating system WINDOWS

Lecture



The Windows software product can be used in desktops and server clusters with symmetric multiprocessing. The process of such processing is supported by the storage subsystem, with a capacity of millions of terabytes, and an OP, with a capacity of hundreds of gigabytes. The Windows operating system includes four network operating systems designed to solve various types of user tasks:

1) Windows Professional is a network operating system designed for office and mobile PCs. This system is an advanced version of Windows NT Workstation 4.0 and has increased reliability and security;

2) Windows Server - a universal network operating system, which is supported by 4-processor servers and 4 Gb OP, is intended for use in small and medium-sized organizations. Windows Server inherited the best features of Windows Server 4.0, it meets the new standard for reliability, OS integration and directory services, applications, the Internet, print services and file access;

3) Windows Advanced Server - a specialized OS supported by 8-processor servers and 8 GB of OP. It is used to work as an application server, Internet gateway, etc .;

4) Windows Datacenter Server is a system that supports 32-processor architectures and 64 GB of RAM. It is used to solve resource-intensive tasks; it is capable of solving all tasks of Windows Advanced Server and problems requiring a high level of scalability.

The scalability and performance of the Windows system are large compared to the others, which is achieved by expanding the physical address space that allows the processor to access 64 GB of RAM; support 32-processor systems; the use of special software settings for reserving and locking memory, reducing competition between processors for resources, and others.

To facilitate the work of the administrator and increase the security of the installation, Windows is complemented by such means as the Advanced System Restore Service, the Driver Compatibility Wizard, and the Component Manager.

The principle of reducing unplanned downtime to zero, if they occur, i.e. maximum assistance to the administrator in identifying these causes, is implemented in Wndows . To this end, the system has built-in mechanisms to increase reliability and administrators are given new tools to restore the system in case of failures .

If the failure is caused by the installation of incorrect drivers, the administrator must perform the boot in safe mode, that is, select one of four possible boot execution modes: standard, network, with a command line, or the active directory service recovery mode.

In safe mode, the administrator can verify the correctness of any drivers, and he can change the default values ​​for the driver and service key parameters in the configuration registry branches that define them.

Another system recovery tool is the recovery console used when booting from a CD or bootable floppy disks to restore the system or to replace damaged kernel files.


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Informatics

Terms: Informatics