http://ghafoorsblog.com/categories/unix/Recent content in Unix on Ghafoor's Personal BlogHugoennoreply@example.com (AG Sayyed)noreply@example.com (AG Sayyed)Copyright © 2024-2026 AG Sayyed. All Rights Reserved.Sat, 16 May 2026 17:45:02 +0100http://ghafoorsblog.com/courses/ibm/devops-content/devops-pcert/03-introduction-to-linux/01-module/001-linux-and-unix/Mon, 23 Jun 2025 07:33:34 +0000noreply@example.com (AG Sayyed)http://ghafoorsblog.com/courses/ibm/devops-content/devops-pcert/03-introduction-to-linux/01-module/001-linux-and-unix/<p class="lead text-primary"> This document explores the foundations of Linux and Unix operating systems, tracing their evolution from AT&T Bell Labs in the 1960s to modern implementations. It covers the essential features of both systems, their architectural differences, and examines how these powerful operating systems have become integral to today's computing landscape. </p> <hr> <h2 id="operating-systems-fundamentals">Operating Systems Fundamentals</h2> <p>An operating system (OS) is specialized software that manages computer hardware and resources while providing an interface for users to interact with the hardware to perform useful tasks. The OS serves as an intermediary between users, applications, and the computer hardware, handling resource allocation, file management, and process scheduling.</p>