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PAPaul Adeoyepaulking.hashnode.devOct 1 · 9 min read

Processes, System Calls and the Linux Kernel:

In the previous article, we established the relationship between the CPU, RAM, storage, and the operating system. With that foundation in place, the next question is: What actually happens inside the

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A"Aditya "Aadi"arom.hashnode.devSep 23 · 5 min read

Beyond Cloud Monopolies: Engineering Absolute Technological Sovereignty with the AROM

How bare-metal microkernels, external cognitive continuity layers, and neuro-symbolic runtimes are replacing legacy computing infrastructure. Modern enterprise computing is built on two precarious dep

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SSunnycybersecurity-learning.hashnode.devAug 28 · 6 min read

TryHackMe Operating Systems: Introduction Room: Comprehensive Learning Guide & Deep Dive

Introduction I recently completed the Operating Systems: Introduction room on TryHackMe as part of my ongoing cybersecurity learning journey. Operating systems serve as the foundational boundary betwe

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SSagunsagunwrites.hashnode.devAug 24 · 4 min read

What Is the fork() System Call?

In Unix and Unix-like operating systems, processes can create new processes. One of the most important mechanisms used for this is the "fork()" system call. It provides a way for an existing process t

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SSagunsagunwrites.hashnode.devAug 24 · 6 min read

Unix Inode Structure: How Unix Filesystems Track Files

When you look at a file in a Unix-like operating system, you see something simple: report.txt But the filesystem needs much more information than just the filename. It needs to know things like: How

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SSagunsagunwrites.hashnode.devAug 24 · 4 min read

What Is Memory Management in Operating Systems?

A computer has a limited amount of main memory, or RAM. At the same time, multiple processes may need memory to run. So how does the operating system decide which process gets memory, where that memor

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SSagunsagunwrites.hashnode.devAug 24 · 5 min read

Process States in Operating Systems

A program sitting on storage is just a set of instructions. When that program starts executing, the operating system creates a process to represent and manage it. But a process does not continuously e

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SSagunsagunwrites.hashnode.devAug 24 · 5 min read

Logical Address Space vs Physical Address Space

When a program runs, it uses addresses to access instructions and data. But there are two important types of addresses to understand: Logical (Virtual) Addresses Physical Addresses Understanding t

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SSagunsagunwrites.hashnode.devAug 24 · 5 min read

What Is a File System?

Computers store enormous amounts of data. Documents, images, videos, programs, configuration files, and countless other pieces of information all need to be organized and accessed efficiently. This is

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SSagunsagunwrites.hashnode.devAug 24 · 5 min read

What Is Virtual Memory?

A computer has a limited amount of physical RAM. But modern systems can run many programs, and each program may need a large amount of memory. So how can programs operate with a memory space that appe

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#operating-systems

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Trending tags this week

Processes, System Calls and the Linux Kernel:

Beyond Cloud Monopolies: Engineering Absolute Technological Sovereignty with the AROM

TryHackMe Operating Systems: Introduction Room: Comprehensive Learning Guide & Deep Dive

What Is the fork() System Call?

Unix Inode Structure: How Unix Filesystems Track Files

What Is Memory Management in Operating Systems?

Process States in Operating Systems

Logical Address Space vs Physical Address Space

What Is a File System?

What Is Virtual Memory?