What is Python? Python is a popular programming language. It was created by Guido van Rossum, and released in 1991. Python is a general purpose, dynamic, high-level, and interpreted programming language. It supports Object Oriented programming approach to develop applications. It is simple and easy to learn and provides lots of high-level data…

What is Kotlin Kotlin is a general-purpose, statically typed, and open-source programming language. It runs on JVM and can be used anywhere Java is used today. It can be used to develop Android apps, server-side apps and much more. Kotlin Environment Setup (Command line) Since Kotlin runs on JVM, it is necessary to install JDK and setup the…

First of all, we know Swift…….. Swift was introduced in 2014 at Apples's Worldwide Developers Confrence. The development of Swift was started in 2010 by Chris Lattner with other programmers i.e. Doug Gregor, John McCall, Ted Kremenek, and Joe Groff at Apple. …

Hi friends welcome back this is the Ninth part of the series………… User Mode User mode is now almost within our reach, there are just a few more steps required to get there. Although these steps might seem easy they way they are presented in this chapter, they can be tricky to…

Hi friends welcome back this is the Eighth part of the series. Page Frame Allocation 1.Managing Available Memory 1 How Much Memory is There? First we need to know how much memory is available on the computer the OS is running on. The easiest way to do this is to read it from the multiboot structure…

First of all,you visit my last part of OWN OS…………….. Virtual Memory Virtual memory is an abstraction of physical memory. The purpose of virtual memory is generally to simplify application development and to let processes address more memory than what is actually physically present in the machine. We also don’t want applications…

welcome my dear friends…. Now that the kernel boots, prints to screen and reads from keyboard — what do we do? Usually, a kernel is not supposed to do the application logic itself, but leave that for applications. The kernel creates the proper abstractions (for memory, files, devices) to make…

Hi friends welcome back this is the fifth part of the series. This week we are going to develop our operating system in to next stage which can handle the interrupts. That brings us to our main topic today. What is interrupt and why do we need to handle…

Hi friends welcome back. This is part four creating operating session. If you miss earlier part, please see and learn from my medium article……. 01.Segmentation Segmentation in x86 means accessing the memory through segments. Segments are portions of the address space, possibly overlapping, specified by a base address and a limit…