https://rohit-garg.me/tags/programming/Recent content in Programming on Rohit GargHugoen© Rohit GargSat, 13 Jun 2026 10:00:00 +0530https://rohit-garg.me/how-os-executes-program/Sat, 13 Jun 2026 10:00:00 +0530https://rohit-garg.me/how-os-executes-program/<p>A program sitting on disk is not alive yet.</p> <p>It may contain valid machine instructions, static data, library information, and an entry point. But until the operating system gives it memory, a process identity, CPU time, and a way to talk to the outside world, it is just bytes in a file.</p>