Learning never stops and if it is a classical subject every becomes teacher in no time and student in no time. With a bit of optimism, let me put my thoughts here. Surely comments are welcome and all comments will be put in the hall of fame of this online magazine.
Today, I got sometime to think :-) and thought that I should start writing on processes. For anyone who is new/old the right place to get a start is process. Before getting started, the objectives of this entire article to discuss on process with sufficient details. Moving forward, this blog will have tutorials/scribblings on Unix Externals/Internals.
1. What is process? How it looks like?
2. As an user how one can see the process in your Unix/Linux System?
3. What are various states of process? How they transition?
4. What are the important terminology and data structure needed to continue my journey?
5. Why I need kernel to run my process? I have written "Hello, World" program, why I need kernel to run and get the output?
6. What are various modes/context?
7. How processes switch between modes and contexts? What is the object of those switches?
8. What are the commonly used commands/utilities that are related to the process/process management?
9. Is it going to be a theory? Can you give me code and explain stuffs? Can you also give me license to use the example as per my wish?
Thursday, January 10, 2008
Saturday, January 5, 2008
Aspiring journey towards UNIX System programming
It was official hang over with Java for the past three years and within these years the things have changed a lot. I never thought or expected to become a Java programmer however I m successfully traveling in the world of Java for the past three years. Personally, I had a lot of learning and it is in fact most fulfilling learning experience in my life time. Having written bunch of articles in Java Technology (it doesn’t necessarily mean that I m an expert), I m thinking to shift gears. I am planning to enter into Unix System Programming world.
UNIX/Linux as an operating system and a programming environment excites me simply because of being simple. Few years back, I was dreaming that I would become an operating system programmer but ended up being an application developer. But I never felt guilty as I always dedicated my time to read Linux internals. Thanks to the authors of Linux Kernel Development and Understanding the Linux Kernel. Now, I am seriously thinking of learning for heart. Yes, learning what my heart likes.
So my agenda for 2008 is to become a better programmer and learn UNIX System programming, UNIX/Linux Internals and Linux Kernel programming. This seems to be over ambitious goal because UNIX/Linux by know means little operating systems. It really takes considerable of time to understand the internals of the both the operating system. So, let me see how far I come close to my target in 2008. When I say, learn I really mean learning UNIX/Linux as both Art and Science.
Keep watching, suddenly you may find interesting write-ups. It is a matter of time. Unlike the sensex, you will find a lot articles in holidays/weekends :-)
Wishing Everyone, a Very Happy New Year
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