operating system concepts 9th

yourself-Reading Notes-first recognized protection mode The system explains some concepts of the protection mode, paving the way for the next article A comprehensive analysis of pmtest1.asm in "writing an operating system by yourself" I believe that the first jump from the real mode to the protection mode in

Bo Wen viewpoint open party No. 5th: Operating System and embedded development Enjoy coffee with the legendary cool-man, share it success experiences with best-selling authors, and discuss new concepts with technical experts ......This is not a fantasy!On October 16, August 29, on the 11th floor of Zhongguancun Library Building, the open party phase 5th-

obviously slow. ? 2.7 summary: The difference between stack and stack can be seen in the following metaphor: Using Stacks is like eating at a restaurant, just ordering food (sending an application), paying for it, and eating (using it). If you are full, you can leave, without having to worry about the preparation work, such as cutting and washing dishes, as well as the cleaning and tail work such as washing dishes and flushing pots, his advantage is fast, but his degree of freedom is small. Usi

machine is a small end; otherwise, the machine is a large end.Dec (Digital Equipment Corporation, now part of Compaq) and Intel machines (x86 platforms) generally use small terminals.IBM, Motorola (Power PC), and Sun generally use big ends.Of course, this does not represent all situations. Some CPUs can work on small ends and big ends, such as arm, Alpha, and Motorola PowerPC. For details, refer to the processor manual.Whether the CPU is large or small depends on the specific settings.(For exam

program that does not require kernel support and is not dependent on the operating system core, and the user process uses line libraries to provide functions to create, synchronize, dispatch, and manage threads to control the user thread. User threads do not require user-state/kernel-mindset switching, are fast, the operating

First of all, it must be stated that the purpose of writing this tutorial is not to encourage everyone to replace system files, because system files directly affect the normal operation of the system and are not properly handled, otherwise, the system becomes unstable. Otherwise, the

Article Title: JFS System in the Linux server operating system log file. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Developed by IBM, JFS was initially built on the AIX

File: thinkint.txtName: Understand the operating system's handling of interruptionsAuthor: zyl910Blog: http://blog.csdn.net/zyl910/Version: v1.01Updata: 2006-6-20 When I used to read "Operating System", I always thought the book was too abstract to understand. However, when I recently compiled a keyboard processing applet, I gradually understood the

process between the two sides. With Continuity, almost all Mac devices can be directly used to receive calls to the peripheral iPhone or to participate in text message conversations on the iPhone. With the support of Continuity, Mac devices running the OS X Yosemite system can detect incoming call information received by the iPhone and transfer the information to FaceTime voice calls. However, at the fundamental level, OS X Yosemite is the same as W

these registration information changes, allowing the node to dynamically create a connection to the new node.The connection between the node and the node is straightforward, and the controller provides only the query information, just like a DNS server. Node subscription a topic will require a connection to the node that publishes the topic, and the connection will be established on the basis of the consent Connection Agreement. another: Ros Controller control Services:Second, the file

ITools: uses an easy-to-use Macintosh interface to complete complex configuration of Unix servers. When Apple decides to port its user-friendly operating system to UNIX, a major value-added part is a powerful UNIX-based software such as MySQL and Apache, in addition, it is the huge software library of Unix systems. Now, when a Mac user opens file sharing, he actually enables the FTP server on the local mach