Oct 29, 2025 · 6 min read · Introduction Have you ever wondered how your computer’s applications like a browser, text editor, or music player talk to the operating system (OS) to get their work done? When you create a folder, save a file, or open a photo, your application doesn...
Join discussion
Oct 27, 2025 · 7 min read · How the Operating System will decide to stop one process and start executing another process when one process is already running on CPU ??? When One process is already on CPU how the OS will take back to control to decide the switching ??? Solution: ...
Join discussionSep 3, 2024 · 2 min read · Lets bring back the trend of rickrolling!!. While being taught about event handlers and execl system calls in my Software Systems course, I had an idea. What if I could make a C executable that opens browser and play Rick Astley's classic "never gonn...
Join discussion
Jul 6, 2024 · 17 min read · We all know that system calls are inherently "slow". Regardless of the reasoning behind why system calls are slow, it is common practice to try and "batch" them. A great example of that is how the read() and write() system calls are "batched" or "buf...
Kkhaled commented
Mar 7, 2024 · 2 min read · What is a System Call? It is a method for a program to request a service from an operating system. It is a method of interacting with the operating system via programs. The Kernel system can only be accessed via system calls. It is required for a...
Join discussion
Jan 20, 2024 · 6 min read · Greetings, Systems devs! In this article on Building our own Memory Allocator, we dive into malloc library function. Please first read PART1 to understand sbrk() system call provided by Linux. malloc(size) function allocates the size bytes of memory ...
Join discussion
May 23, 2023 · 10 min read · In this article we will start processing some flags of ls command. If you want to know more about command, please read Part 1. If you want to know how we configured tests, check Part 2. If you want to know how we collected info about files, check Par...
Join discussion
May 10, 2023 · 9 min read · In this article we will start collecting info about files If you want to know more about command, please read Part 1. If you want to know how we configured tests, check Part 2. Note: Source codes can be found at: https://github.com/Miradils-Blog/linu...
Join discussion
Apr 28, 2023 · 3 min read · Note: For the whole series, Zsh is used, for which, output can be different compared other shell profiles. Introduction The ls command is one of the most commonly used commands in Linux/UNIX. This command is used to list the contents of a directory....
Join discussion