#operatingsystem

C LOOK disk scheduling algorithm - operating system tutorial

If you are new to disk scheduling then please read about basics of disk scheduling  first and then read this post on C LOOK disk scheduling algorithm. C LOOK disk scheduling algorithm is the last disk scheduling algorithm. I…

LOOK disk scheduling algorithm - operating system tutorial

If you are new to disk scheduling then please read about basics of  disk scheduling  first and then read this post on LOOK disk scheduling algorithm. In the last post we discussed about  C-SCAN disk scheduling algorithm . Tod…

C-SCAN disk scheduling - operating system tutorial

If you are new to disk scheduling then please read about basics of  disk scheduling  first and then read this post. In the last post we discussed about SCAN disk scheduling . In SCAN disk scheduling there was a major drawback …

SCAN disk scheduling - operating system tutorial

If you are new to disk scheduling then please read about basics of disk scheduling first and then read this post. Today we will be discussing about SCAN disk scheduling - operating system tutorial. In the last post where I di…

SSTF disk scheduling - operating system tutorial

Before starting with SSTF disk scheduling  - operating system tutorial , it is a request to the readers please read about basics of disk scheduling first if you are new to disk scheduling. Last time we discussed about FCFS d…

FCFS disk scheduling - operating system tutorial

Before reading this post it is a humble request to you that please read my previous post on Disk Scheduling first. Today we will be discussing about  FCFS disk scheduling - operating system tutorial. We will discuss about FCF…

Disk Scheduling - operating system tutorial

Today we will be discussing about  Disk Scheduling - operating system tutorial .SO, let's start, shall we: Disk Scheduling is basically used to schedule I/O request arriving in the system. It is important to schedule the …

Paging - operating system tutorial

In contiguous memory allocation we resolved 2 major problems which were space allocation and conversion of logical address into physical address . We also discussed about internal and external fragmentation where we learnt th…

First, Worst, Best Fit Algorithm 2 - operating system tutorial

We have discussed that First, Worst, Best Fit algorithm in variable partitioning in the last lecture. Today, we will be discussing First, Worst, Best Fit algorithm in fixed sized partitioning ( First, Worst, Best Fit Algorith…

First, Worst, Best Fit Algorithm 1- operating system tutorial

In the last post I discussed about contiguous memory allocation . We also discussed 2 types of partitioning in contiguous memory allocation . In both the partitioning techniques we can use the 3 algorithms that I am going to di…

Contiguous Memory Allocation - operating system tutorial

Today we will be discussing about  Contiguous Memory Allocation - operating system tutorial in depth. So, let's start. shall we? In contiguous memory allocation we have to solve 2 major problems. First, is space alloc…

Basics of Memory Management

The functionality of a computer depends on 2 things - CPU and Memory. Till now, we have focused on CPU but from now on we will be focusing on memory. Today we will begin with  Basics of Memory Management. Criterias of  Me…

Prevention Method to avoid Deadlock

In the last post we discussed about 4 ways to avoid deadlock . Today, we will start with Prevention Method to avoid Deadlock . We will see how we can violate one of the four conditions of deadlock. Prevention was a mechan…

Deadlock Avoidance Methods

In the last post we discussed about the 4 necessary conditions for Deadlock to occur . Today, we going to see how we can avoid deadlock in our system. There are several ways to avoid deadlock, let's look each one of them on…

Conditions for a Deadlock to Occur

It is requested to all the readers to please read the previous post on Introduction to Deadlock fro better understanding of this post. Before solution of deadlock one must have complete knowledge of why deadlock problem arise…

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