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Welcome to an exciting world of operating system (O/S). The Basics of Operating System is a free app with listing of  notes on the introduction of the OS and covers the basics of how system software works

Usually a part of computer science, software engineering, programming and information technology courses but open for all enthusiasts to learn the basics. 

The App covers more than 125 topics on the subject divided into 14 units.

The App brings all the interesting topics in a flashcard which is easy to browse, revise and come back to another topic to learn. Some of topics Covered in this application are:

1.	Overview of computer operating systems

2.	Computer System Organization

3.	Operating System Structure

4.	Distributed system

5.	Operating System services

6.	System Calls

7.	System Programs

8.	Operating System Generation

9.	Operating-System Services

10.	Operating-System Interface

11.	Process Management

12.	Process Control Block

13.	Schedulers

14.	Context switch

15.	Operations on Processes

16.	Interprocess Communication

17.	Sockets

18.	Remote Procedure Calls

19.	Remote method invocation

20.	Threads

21.	Scheduling Criteria

22.	Scheduling Algorithms

23.	Multithreading Models

24.	Thread Libraries

25.	Threading Issues

26.	CPU scheduling

27.	Multiple-Processor Scheduling

28.	Symmetric Multithreading

29.	Thread Scheduling

30.	Solaris Scheduling

31.	Windows XP Scheduling

32.	Linux Scheduling

33.	Algorithm Evaluation

34.	Process Synchronization

35.	The Critical Section Problem

36.	Synchronization Hardware

37.	Semaphores

38.	Classic problems of synchronization

39.	Monitors

40.	Atomic Transactions

41.	Deadlocks

42.	Deadlock Characterization

43.	Methods for handling deadlocks

44.	Deadlock Prevention

45.	Deadlock Avoidance

46.	BankerÃ¢â‚¬â„¢s algorithm

47.	Deadlock Detection

48.	Recovery from Deadlock

49.	Memory Management Strategies

50.	Address Binding

51.	Logical versus Physical Address Space

52.	Dynamic Linking and Loading

53.	Swapping

54.	Contiguous Memory Allocation

55.	Fragmentation

56.	Paging

57.	Hardware Support in paging

58.	Shared Pages

59.	Segmentation

60.	Virtual memory

61.	System libraries

62.	Demand Paging

63.	Copy-on-Write

64.	Page Replacement

65.	FIFO Page Replacement

66.	Optimal Page Replacement

67.	LRU Page Replacement

68.	Enhanced Second-Chance Algorithm

69.	Allocation of Frames

70.	Thrashing

71.	Working-Set Model

72.	Page-Fault Frequency

73.	Memory-Mapped Files

74.	Shared Memory in the Win32 API

75.	Allocating Kernel Memory

76.	Slab Allocation

77.	File Concept

78.	File Operations

79.	File Types

80.	Directory Structure

81.	Directory

82.	File System Mounting

83.	File System Structure

84.	File System Implementation

85.	Directory Implementation

86.	Free Space Management

87.	Recovery

88.	Log-Structured File Systems

89.	Network file systems 

90.	Network file systems protocol

91.	Magnetic Disks

92.	Disk Structure

93.	Disk Attachment

94.	Disk Scheduling

95.	Disk Management

96.	Boot Block

97.	Bad Blocks

98.	Swap-Space Management

99.	I/O Systems

100.	Polling

101.	Direct Memory Access

102.	Application I/O Interface

103.	Kernel I/O Subsystem

104.	Transforming I/O Requests to Hardware Operations

105.	Streams

106.	Performance

107.	Protection

108.	Access Matrix

109.	Implementation of Access Matrix

110.	Access Control

111.	Language-Based Protection

112.	The Security Problem

113.	Malicious codes

114.	System and Network Threats

115.	Cryptography as a Security Tool

116.	Authentication

117.	Key Distribution

118.	User Authentication

119.	Firewalling to Protect Systems and Networks

IMPORTANT LINKS

Feedback: Share your feedback at essyengineering@gmail.com

Social links 

Facebook : https://www.facebook.com/EngineeringEasy/

Twitter : https://twitter.com/easyengineerin

Website:http://www.engineeringapps.net/

Wishing you a very happy learning

</div> <div jsname="WJz9Hc" style="display:none">欢迎到操作系统（O / S）的令人兴奋的世界。操作系统的基础是一个免费的应用程序与出台的OS票据上市及覆盖系统软件是如何工作的基础知识

通常为所有爱好者计算机科学，软件工程，编程和信息技术课程，但开放的一部分，学习的基础知识。

该应用程序涵盖了主题划分为14个单位的125多个主题。

该应用程序带来的烧录卡这是很容易浏览，修改，回来到另一个主题，了解所有有趣的话题。一些在此应用中涉及的主题有：

1.计算机操作系统概述

2.计算机系统结构

3.操作系统结构

4.分布式系统

5.操作系统服务

6.系统调用

7.系统程序

8.操作系统代

9.操作系统服务

10.操作系统界面

11.流程管理

12.进程控制块

13.调度

14.上下文切换

15.操作上的进程

16.进程间通信

17.插座

18.远程过程调用

19.远程方法调用

20.主题

21.调度准则

22.调度算法

23.多线程模型

24.线程库

25.线程问题

26. CPU调度

27.多处理器计划

28.对称多线程

29.线程调度

30.调度的Solaris

31. Windows XP中调度

32. Linux的调度

33.算法评估

34.进程同步

35.临界区问题

36.硬件同步

37.信号灯

38.同步的经典问题

39.显示器

40.原子事务

41.死锁

42.表征死锁

43.方法处理死锁

44.死锁预防

45.避免死锁

46.​​BankerÃ¢€央行“¢小号算法

47.死锁检测

从死锁48.恢复

49.内存管理策略

50.地址绑定

51.逻辑与物理地址空间

52.动态链接和加载

53.交换

54.连续内存分配

55.碎片

56.分页

分页57.硬件支持

58.共享页面

59.分割

60.虚拟内存

61.系统库

62.按需分页

63.写入时复制

64.页面置换

65. FIFO页面置换

66.最佳页面置换

67. LRU页面置换

68.增强的第二次机会算法

69.分配框架的

70.抖动

71.工作-集模型

72.页面错误频率

73.内存映射文件

74.共享内存在Win32 API

75.分配内核内存

76.分配板

77.文件的概念

78.文件操作

79.文件类型

80.目录结构

81.目录

82.文件系统安装

83.文件系统结构

84.文件系统的实现

85.实施目录

86.自由空间管理

87.恢复

88.日志结构文件系统

89.网络文件系统

90.网络文件系统协议

91.磁盘

92.磁盘结构

93.磁盘附件

94.磁盘调度

95.磁盘管理

96.引导块

97.坏块

98.交换空间管理

99. I / O系统

100.轮询

101.直接存储器访问

102.应用I / O接口

103.核心I / O子系统

104.转化的I / O请求硬件操作

105.流

106.性能

107.保护

108.访问矩阵

109.访问矩阵的实现

110.访问控制

111.语言基础保护

112.安全问题

113.恶意代码

114.系统和网络威胁

115.加密作为安全工具

116.认证

117.密钥分发

118.用户认证

119.防火墙保护的系统和网络

重要链接

反馈：分享您的反馈意见在essyengineering@gmail.com

社会联系

Facebook的：https://www.facebook.com/EngineeringEasy/

微博：https://twitter.com/easyengineerin

网址：http：//www.engineeringapps.net/

祝你很快乐学习</div> <div class="show-more-end">

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