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Introduction
In the technological era of 2026 and heading into 2027, learning the Linux operating system is no longer just an optional skill reserved for a small group of computer specialists. Instead, it has become a core foundational skill for anyone looking to build a career and advance in Information Technology (IT). Although everyday users typically rely on Windows or macOS for daily office tasks, the critical systems powering the internet, banking infrastructure, cloud computing, and artificial intelligence (AI) run almost entirely on Linux.