For the last two weeks I learned a lot of different lessons in Opesys. First is the Security Architectural Models which are Bella La Padula Model, Biba Model and Clark Wilson Model. I was quite confused because I wasn't able to understand it at first but at the end I already did, Yipee! I can say that when you will do it, you should really focus and put your mind in to it. You should also know the ranking of the Topsecret, Secret, Confidential and Public.

The main thing that I learned for the past three weeks is how to code and make a new user in Linux. I also learned how to put it in a group, how to create a group, how to put a password on the user that I made and I also learned how to change the access of a specific group, if they can write, read or both. It is really cool and fun as well, as long as you know the code you can add users as long as you want and you can also change their accessibility because that is your account or your user.

On our last meeting, we had a quiz and it's sad to say that I did not passed but it is okay because there is always a next time:)

Introduction to Operating System

Last week, 2nd term already started and one of my subject is Operating System or also known as Opesys1. Our professor is sir Justin and at the first meeting I can already say that he is a cool professor. Even though he is teaching opesys, he is honest with us that the subject is pretty much boring.

Our first day, we just discussed the different house rules and the division of the grades. He also told us that we will have activity every after each chapter, how many quizzes we'll have, which is only two for the whole term and what kind of test will that be. He also told us the coverage of Opesys1. Based on his introduction, opesys will be a easy subject, well hopefully :). 

On our second day we already started discussing the Introduction about Operating system, it covers the meaning of OS, the History and the different types of Operating System that are invented. I was really surprised because I never thought that we have so many Operating System, because some of those are not really popular or only a few group of people use it. I wasn't able to get the information or what is special about that Operating System because it wasn't discussed. It's okay though because it might not be too much important. I can say that some OS are really confusing especially when you haven't use it before. He also gave the first activity. 

Next meeting or our third day, we discussed about our activity but the even number part questions were not discussed well and we also talked about the Boot loader, I'm really getting confused on this topic because I don't understand it so much but I need to try my best to understand it. One more topic we discussed is about the Access Control, I really find this topic cool even though it's really tricky. But if you really understand it and take it slow on answer so you can understand it well, it is fun and cool to do.

I hope next time we have more lab activities and we can practice the Access Control topic in a seatwork, activity, game, etc. The first two weeks of Opesys is fun, I hope the next topics will be easy. Plus I hope that the other group who are assigned to discuss the given activity will report it well so we could understand it.