on Feb 12, 2009 in OS Design Lesson 3. Booting the Computer (2)In Lesson 2, you have seen that the BIOS POST routine searches for boot device and then loads in the boot sector for execution. You may wonder how the POST routine knows if a disk is a boot device or not? The secret...

on Jan 23, 2009Lesson 2. Booting the Computer (1)Booting is the first task the OS has to deal with after you power on a computer. The boot loader is probably the best starting point to begin the OS study. An interesting question is: what happens when you power on...

on Jan 22, 2009 in Innovative Ideas eyeOS - a new OS concept Can you imagine an OS written in PHP, XML and JavaScript? eyeOS is such a type of web service that can provide you a platform which can be accessed from anywhere through the Internet. The eyeOS comes with a preloaded set...

on Jan 22, 2009eyeOS - a new OS concept Can you imagine an OS written in PHP, XML and JavaScript? eyeOS is such type of web service that can provide you a platform which can be accessed from anywhere through the Internet. The eyeOS comes with a preloaded set of...

on Jan 11, 2009 in OS Design Lesson 1. The Role of the Operating SystemI had a dream to write an operating system (OS) by myself when I was a middle school student. The OS was like a Pandora's box to me, magically managing all hardware components. It would be very exciting to de

on Jan 11, 2009 in OS Design Lesson 2. Booting the Computer (1)Booting is the first task the OS has to deal with after you power on a computer. The boot loader is probably the best starting point to begin the OS study. An interesting question is: what happens when you power on...