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I. Introduction We often see some similar in the program disassembled code 0 × 32118965 this address, the operating system called linear address, or virtual address. What is the use of virtual address? Virtual address is how to translate into physical memory address? This chapter will give a brief account of this. 1.1 Linux Memory Addressing Overview Modern operating systems are in 32-bit protected mode. Each process can generally address 4G of physical space. But our physical memory is generally hundreds of M, the process can get 4 ...

The Linux command line attracts most Linux enthusiasts. A normal Linux user typically has about 50-60 commands to handle daily tasks. Linux commands and their transformations are the most valuable treasures for Linux users, Shell scripting programmers, and administrators.　　Few Linux commands are known, but they are handy and useful, whether you're a novice or an advanced user. Little people know about Linux commands the purpose of this article is to introduce some of the less-known Linux commands that are sure to efficiently ...

This page discusses how to rebuild the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu Linux kernel pack." This is the most straightforward way to compile your own Ubuntu kernel, but it's also a fairly heavyweight approach. If you plan to do some kernel development or debugging, you may be happier to follow this guide. It's more complicated but also more flexible. Installation we will build the "Linux" directory in your user directory ...

Frugalwarehttp://www.aliyun.com/zixun/aggregation/7434.html "> Development Team is pleased to announce the forthcoming offer of Frugalware 1.5 RC2, The second release candidate for release in the upcoming 1.5 stable version. Here are some 1.5 RC1 improvements, fixes and package updates, Linux kernel updates to 2.6.39.3,x.org server update to 1.10.3,LXDE update, Release 1 ...

Perhaps you have heard that the future of Mandriva Linux is confused. Most of the employees working in this release were dismissed from the liquidation of the Mandriva subsidiary, Edge-it. In view of this, we can no longer trust the plans of Mandriva AG (Mandriva SA). And we don't think the company (or any other company) can provide reliable support for the project. Many things have happened in the past 12 years. Some are wonderful, like the Mandriva Linux community ...

Frugalware Linux is an independently developed Universal Desktop Linux distribution, which is intended for intermediate users. It follows the Slackware-style http://www.aliyun.com/zixun/aggregation/12872.html "> Concise design concept, and includes Pacman package management utility from Arch Linux. The Frugalware Developer is plea ...

Frugalwarehttp://www.aliyun.com/zixun/aggregation/7434.html "> Development Team is pleased to announce the upcoming Frugalware 1.5 RC1 edition, The first candidate for the upcoming 1.5 stable release. Here are some major improvements, fixes and updates, based on 1.5 pre2: Package update-kde 4.6.5,mozilla Firefox 5.0,libreo ...

Pf-kernel 3.2.6-PF This version of the kernel has been updated to version 3.2.9. Joined the Arch Linux detail file. Pf-kernel is a branch of the Linux kernel. It provides practical functionality to incorporate BFS Scheduler and TuxOnIce into the mainline. Software information: http://pf.natalenko.name/download address: http://pf.natalenko.name/sources/3.2/patch-3.2.6 ...

There are many benefits to virtual servers, but are their security issues completely compromised? How do I ensure security? There are 10 positive steps you can take. The major problem with data center virtualization in the 2007 is "How much money and time can this technology save?" "And by 2008, the question will become" How safe will we be to adopt this technology? "It's a very difficult question to answer." A large number of vendors and consultants desperately selling virtualized products and services disagree on the risks and how to prevent them. At the same time, some security researchers are also trumpeting the risks of the theory.

Despite being caught by Oracle, the controversy on MySQL never stopped; today, MySQL is still the most popular open source database on the market. Simple, free, extensible, relatively mature and so has always been the attraction of MySQL, but it is like a rabbit in a tortoise and hare race, because of its own advantages, to slacken, slowing down their own pace, so that each competitor Have the opportunity to catch up, these killer features are no longer attractive (or even reduced to the disadvantaged). Although PostgreSQL has always been the direct competitor of MySQL, ...