The proper management and control of processes are integral components of efficient system functionality. In this piece. We will examine two essential facets: the process table and Process Control Block (PCB). We will delve into their definitions, purposes, and significance in operating systems. The Process Table Definition and Purpose Operating systems utilize what's known as a "process table" as means to accurately monitor active processes within their infrastructure. Such tables are responsible for compiling vital information concerning every single running program/system component under supervision from an OS. Thus keeping an exhaustive inventory about these details aids in controlling/dispatching them smoothly ... Read More

If you are a Linux user and wish to connect to a Wi-Fi network from a terminal. Although it may seem scary, it is actually a simple process using the Nmcli command. In this article, I will introduce you to the steps of connecting Wi-Fi from a Linux terminal using Nmcli commands in a simple and easy-to-understand way. So let’s get started! First, if we want to check the name of our network device we can simply do that by running the following command − $ iw dev You’ll get the output kind of this by running the command − ... Read More

Multitasking underscores the versatility inherent in modern-day OSes that empowers computers with concurrent task handling capabilities. Process-based or thread-based multitasking represents efficient resource consumption strategies that positively impact overall system performance levels. While our article focuses primarily on examining process-oriented vs thread-oriented approaches' constituent elements thoroughly we hope to contextualize some finer nuances associated with each methodology's allocated uses cases within our discourse today concerning Operating Systems advancements widely adapted across contemporary environments worldwide at present times worldwide in digital life today. Process-Based Multitasking Definition and Purpose Process-based multitasking involves the execution of multiple processes concurrently. Each process operates independently ... Read More

Secure remote access is essential for both organizations and individuals in the connected world of today. For secure network communication and remote system administration, SSH (Secure Shell) has gained popularity. It is crucial to understand that SSH servers can be subject to brute-force attacks that aim to jeopardize their security. This article gives a general overview of brute-forcing SSH in Kali Linux, a well-known system for security analysis and penetration testing. Network administrators can strengthen their defenses and guarantee the integrity of their SSH servers by comprehending the mechanics of these attacks, taking ethical considerations into account, and putting mitigation ... Read More

USB storage devices have become ubiquitous in our technology-driven world, but they also pose a significant security threat to organizations. Attackers can exploit these devices to introduce malware, steal sensitive data, or gain unauthorized access to a network. To protect Linux servers against such attacks, administrators can take proactive measures by blocking USB storage devices. This article will delve into the various ways to accomplish this, including the benefits of each approach and the necessary steps to implement them. After reading this article, readers will be equipped with the knowledge to disable USB storage devices and secure their Linux servers. ... Read More

Process scheduling is a critical aspect of operating systems as it ensures the efficient execution of tasks. Understanding process states and transitions is essential for effective management and optimization. In this article, we will delve deeper into the concept of process states and transitions in a UNIX process, highlighting their significance in operating systems. The Process Scheduler Definition and Purpose In the functioning of an operating system. The process scheduler plays a pivotal role. Its principal responsibility includes monitoring and steering process execution. Additionally it aims to amplify system performance optimize resource utilization while curtailing response time. By effectively managing ... Read More

Achieving successful operation within concurrent computing requires efficient process synchronization methods that ensure coordination and order between multiple threads or processes running concurrently. This article examines the importance of synchronous processing within operating systems by delving into the concept of process synchronization. To ensure effective execution of concurrent operations. We also review various synching mechanisms used by modern computer architectures today. Understanding Process Synchronization Definition and Purpose Process synchronization involves the coordination and control of concurrent processes to ensure correct and predictable outcomes. Its primary purpose is to prevent race conditions, data inconsistencies, and resource conflicts that may arise when ... Read More

Process Contention Scope and System Contention Scope are two essential concepts in computer systems that deal with resource contention. Within this insightful piece, we shall delve into the intricacies surrounding the definitions, significance, illustrative instances, and disparities encompassing these two realms. Understanding their distinctions can help optimize system performance and ensure efficient resource utilization. Resource contention occurs when multiple processes or components compete for the same resources simultaneously. This contention can lead to reduced performance, increased latency, and even system failures. To address contention effectively, it is crucial to understand the different scopes at which contention can occur. Process Contention ... Read More

On an operating system based on Linux, the Linux terminal is a potent tool for carrying out commands and managing various tasks. Although some people might find it intimidating, personalizing the terminal can improve the user experience and give the Linux environment a more unique feel. In this article, we'll look at how to display personalized welcome messages on the Linux terminal, giving users the opportunity to make each time they open a terminal session feel special and warm. Customizing the Bashrc File Every time a fresh terminal session is opened, a script in the Bashrc file is run. It ... Read More

In modern computing systems, scheduling algorithms play a crucial role in efficiently managing the allocation of resources and ensuring fair execution of processes. Among various scheduling algorithms, round-robin scheduling is widely used due to its simplicity and fairness. However, traditional round-robin scheduling lacks the ability to prioritize processes based on their importance or urgency. To address this limitation, the concept of dynamic time quantum has emerged, which adds priority consideration to the round-robin scheduling algorithm. This article aims to provide an in-depth understanding of round-robin scheduling with a dynamic time quantum and explore its benefits and real-life applications. Understanding Round-Robin ... Read More