KSKartikey Sharmainkartikeyostep.hashnode.dev·Apr 8 · 7 min readLimited Direct ExecutionWhen we see that 20 apps can run simultaneously on our system, what happens behind the scenes? Is it so simple as it seems, or does it require some heavy lifting by the OS? We will see how our CPU is 10
KSKartikey Sharmainkartikeyostep.hashnode.dev·Jan 3 · 5 min readProcess and Process APIA program in execution is called a process; it sits on the disk and waits for the OS to execute it. A process consists of various parts that are used when the program executes, Address Space is the pa10
KSKartikey Sharmainkartikey5960.hashnode.dev·Dec 26, 2025 · 8 min readWhat Happens Before and After a Function Call (x86-64)We all have seen the long-running Foo Bar Code snippet used to explain function calls. In this article, we will focus on what actually happens in a generic nested function call at the machine level. We will explore the machine instructions generated ...10