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OS

Hexainclude > OS
01Apr/18

SSTF Scheduling

April 1, 2018OSdisk-scheduling, disk-scheduling-algorithms, shortest-seek-time-first, sstf-schedulingDreamMaker

In previous post we learnt about simple disk scheduling policy called first-come first-serve. In this post we are about to explain one another disk scheduling algorithm which is widely accepted i.e. Shortest SeekRead More…

01Apr/18

FCFS Scheduling

April 1, 2018OSdisk-scheduling, disk-scheduling-algorithms, fcfs-algorithm, first-come-first-serve, scheduling-algorithmsDreamMaker

In my previous post titled “Disk Scheduling”, I tried to explain about the fundamentals of disk scheduling. In this and upcoming posts, we will look some of the widely used disk schedulingRead More…

23Sep/17

Disk Scheduling

September 23, 2017OSc-scan, disk-scheduling, disk-scheduling-algorithms, fcfs, rotation-latency, scan, seek-time, sstfDreamMaker

A we know that one of the responsibilities of the Operating System is to use all hardware resources efficiently. To achieve this, a fast access time and disk bandwidth is required. TheRead More…

26Aug/17

Directory Structures

August 26, 2017OSabsolute-path, directory-schemes, directory-structure, mfd, relative-path, single-level-directory-structure, tree-level-directory-structure, two-level-directory-structure, ufdDreamMaker

There are many directory structure schemes to implement the behavior of directories. Some common implementation schemes are as follow: Single Level Directory Structure This is the simplest directory structure to implement. AllRead More…

18Aug/17

I/O Hardware

August 18, 2017OScontroller, daisy-chain, expansion-bus, i/o-hardware, pc-bus-structure, pci bus, scsi-bus, serial-portDreamMaker

Hello everyone, after discussing file system in our previous post, we are moving on to our next topic in operating system which is I/O Hardware. Computer uses different types of devices toRead More…

17Aug/17

What is File System?

August 17, 2017OSdirectory-operations, directory-structure, file-system, file-system-structure, files, partitionDreamMaker

In the previous post, we discussed about different file operations. In this post, we will try to understand what the file system is. Files system provides the mechanism for storing and accessingRead More…

27May/17

File Operations

May 27, 2017OScreating-file, deleting-file, file-operations, searching-file, what-is-fileDreamMaker

In my previous post titled “What is File?” I explained about the concept of file, file attributes and file types. This post is the supplementary for the same so if you haven’t readRead More…

27May/17

What is File?

May 27, 2017OSfile, file-attributes, file-extensions, file-types, types-of-file, what-is-fileDreamMaker

A file is the most important and basic entity for data storage. In this article we will get some basic knowledge about concept of a file, different attributes of file, types ofRead More…

20May/17

Recovery From Deadlock

May 20, 2017OSdeadlock, deadlock-avoidance, deadlock-detection, deadlock-recoveryDreamMaker

In my last post I had explained about “Deadlock Detection” techniques in which I explained how we can detect if system has deadlock or not. During the deadlock detection step if weRead More…

15May/17

Deadlock Detection

May 15, 2017OSdeadlock, deadlock-detection, deadlock-recovery, resource-allocation-graph, several-instance-of-resource-type, single-instance-of-resource-type, wait-for-graph, what-is-deadlockDreamMaker

In my previous post, I had explained Banker’s algorithm as a “Deadlock Avoidance” technique.  We discussed basic concept of bankers’ algorithm as well as features and limitations of it. In this post,Read More…

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  • What is File?
  • File Operations
  • What is File System?
  • I/O Hardware
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