Feb 13 · 4 min read · You type a command and press Enter. A program starts in milliseconds. Your operating system performs a long chain of controlled steps. These steps involve the shell, the kernel, the CPU scheduler, and memory management. This blog traces that journey ...
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Jan 17 · 3 min read · Most developers treat Git like a magic spellbook: they memorize git add and git commit and hope for the best. But when things go wrong, they feel lost. To truly master Git, you have to stop looking at the commands and start looking at the data. Think...
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Jan 17 · 7 min read · Cron failures are rarely dramatic. There’s no stack trace on your screen, no angry user clicking refresh. Instead, something subtle doesn’t happen. A report isn’t generated. A cleanup never runs. A notification arrives late—or twice. And when you inv...
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Jan 12 · 5 min read · Tiến trình là một chương trình đang chạy trong máy tính. Tiến trình được tạo ra khi một chương trình được tải vào bộ nhớ để thực thi. Các trạng thái của tiến trình Trạng thái của tiến trình là cách hệ điều hành theo dõi quá trình hoạt động của tiến...
Join discussionJan 9 · 10 min read · Part 1: The basics Have you ever wondered how your computer or phone makes so many different apps work simultaneously? Or how you can have things running in the background doing their work, while you’re watching netflix in the foreground? These Backg...
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Dec 24, 2025 · 1 min read · Helps in Scheduling Stores priority, CPU burst time, and arrival time so the CPU scheduler can choose the next process. Supports Context Switching Saves CPU registers, program counter, and stack pointer to resume a process later. Handles Interrup...
Join discussionDec 20, 2025 · 7 min read · A note before we begin: This isn't about declaring everything wrong or throwing away decades of wisdom. Software engineering processes evolved for good reasons, and many principles remain valuable. But when the fundamental constraints change—when wha...
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Dec 12, 2025 · 3 min read · Mastering Pipes, Redirection, Debugging, Processes & Practical Automation in Linux ✨ Building stronger foundations for real-world DevOps scripting & automation Today’s learning expanded my understanding of how Linux scripts behave, how commands inter...
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Dec 5, 2025 · 4 min read · Linux Permissions, Package Management, Processes, Sudo, SSH & More (Beginner-Friendly Guide) Today was all about going deeper into Linux internals, especially file permissions, package management, processes, sudo access, and installing software the D...
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