Disk Scheduling & Management

Disk Management Definition Disk management refers to the process of organizing, partitioning, formatting, and managing storage devices such as hard drives, solid-state drives (SSDs), and other storage media.  Characteristics Different operating systems provide various in-built tools and utilities for disk management which are briefly discussed below – Windows: Windows operating Read more…

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Memory Management

Introduction Memory management is a complex technique that is solved using various memory management algorithms and techniques employed by operating systems to optimize memory usage. The different memory management techniques vary depending on the operating system and hardware architecture. Effective memory management is very crucial for the overall performance, stability, Read more…

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Process Management

Terminology CPU Utilization: CPU Utilization is making the CPU is busy all the time, so that all the associated components of the system also utilized high. The maximum CPU utilization makes the system performance high. In another words, CPU utilization is the ratio of busy time of the processor to Read more…

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Example of OS

DOS Click this link for DOS UNIX UNIX operating systems are used in widely-sold workstation products from Sun Microsystems, Silicon Graphics, IBM, and a number of other companies. The UNIX environment and the client/server program model were important elements in the development of the Internet and the reshaping of computing as Read more…

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Classification of OS

(A) On the basis of the operating system’s architecture, it is divided into the following categories – (a) Network Operating System (b) Distributed Operating System (c) Multiprocessor Operating System (B) On the basis of the use/application of the operating system, it is divided into the following categories – (a) Embedded Read more…

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Introduction & Feature of OS

Operating System History : The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704. Introduction : All computers need some sort of hardware platform to run the software; these platforms are called Operating System (OS). Definition : An operating Read more…

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Miscellaneous Topics TCP/IP

Different types of Internet Connection & typical Speed Network Connectivity Type – Transmission Speed  (i) (Telephone) dial-up modem = 14.4 Kbps   (ii) ISDN modem = 56/128 Kbps    (iii) T1 connection = 1.54 Mbps    (iv) Ethernet = 10 Mbps    (v) Token ring = 4/16 Mbps   (vi) Fast Ethernet = 100 Mbps   (vii) FDDI Read more…

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