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Architecture of Linux
Last Updated: 29 May 2026
The Linux operating system architecture defines how different components of the system interact with each other to manage hardware resources, run applications, and provide...
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Error Handling in Operating System
Last Updated: 06 October 2023
An operating system is defined as an interface between the computer system and its users. Once the operating system is loaded into the computer system through the boot pro...
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Multitasking Operating System
Last Updated: 23 July 2025
Multitasking in operating systems allows multiple tasks to run in an concurrent (or interleaved) manner, enhancing system performance. Multiprogramming ensures that the CP...
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What is Flash Memory?
Last Updated: 23 July 2025
Flash memory is secondary memory and so it is not volatile which means it persists the data even if there is not an electrical supply provided. This flash memory works on ...
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Operating Systems
OS Basics
Operating Systems-Memory Management
Device Controllers in Operating System
Last Updated: 23 July 2025
Pre-requisites: DMAIn computer systems, I/O devices do not usually communicate with the operating system. The operating system manages their task with the help of one inte...
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Operating Systems
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What is a Master File Table?
Last Updated: 23 July 2025
Pre-requisites: File Systems in Operating SystemThe Master File Table (MFT) is a system file in the NTFS file system (having the name $MFT) that stores metadata informatio...
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Operating Systems
OS Basics
Difference Between QNX and VxWorks Operating System
Last Updated: 21 April 2023
QNX stands for QNX is Not Unix. QNX is a Unix-like Real Time Operating System, which is dedicated primarily to the field of embedded systems. QNX was launched in 1982. Bla...
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Operating Systems
Difference Between
OS Basics
Short Term Scheduler in Operating System
Last Updated: 23 July 2025
Pre-requisites: Process Schedulers in Operating SystemThe operating system's short-term scheduler, commonly referred to as a CPU scheduler, controls how the central proces...
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Tertiary Storage in Operating System
Last Updated: 23 July 2025
Data that is not commonly accessed and typically not required for daily use is stored in tertiary storage. Tertiary storage is often slower and less expensive than primary...
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Implementing Real-Time Operating Systems
Last Updated: 23 July 2025
Pre-requisites: RTOSA real-time operating system (RTOS) is a type of operating system that is designed to provide deterministic, timely processing of real-time events. To ...
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Operating Systems
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What is Firmware?
Last Updated: 04 January 2023
Firmware is a small software that is written to Hardware devices in non-volatile memory. Firmware software programs cannot be changed and they won't be erased when there i...
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Operating System Security
Last Updated: 23 July 2025
Protection refers to a mechanism that controls the access of programs, processes, or users to the resources defined by a computer system. We can take protection as a helpe...
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Safe Security
Blocking and Nonblocking IO in Operating System
Last Updated: 07 January 2023
Blocking and non-blocking IO are two different methods used by OS to handle I/O operations. A blocking call is where the OS decides that it needs to wait for a certain ope...
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Block and Character Devices in Operating System
Last Updated: 23 July 2025
Device Driver in computing refers to a special kind of software program or a specific type of software application that controls a specific hardware device that enables di...
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Operating Systems
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Communication Structure in Operating System
Last Updated: 04 January 2023
In this article, we'll look at the communication structure of an operating system. It provides an interface between applications and other programs so that users can use t...
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Operating Systems
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OS Basics
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