This chapter describes the memory management features of Linux, namely virtual memory and disk caching. Describe what the system administrator should consider, work, and purpose.
What is virtual memory?
Linux supports virtual memory by using disk as an extension of RAM, allowing available memory to expand effectively. The core saves the memory blocks that are not currently in use to the hard drive, freein
first, prepare for work:
1, purchase or download Red Banner Linux Desktop version 4.0 of the installation CD or image files.
Download Address:
http://www.redflag-linux.com/xiazai/xiazai.php?id=1325
2, in the hard drive at least 2 partitions to the installation system, the mount point of the partition recommended more than 4G, the swap area is not too large in the 200m-600m or so, file system format regardless, anyway, the installation process will be
The figure below is that when we open "count My Computer" in Windows, I see a letter:
Under Linux, we don't see these characters, we see folders (directories):
In the early Unix system, each manufacturer defined its own UNIX system file directory, which is rather confusing. Shortly after Linux was published, the file directory was standardized, and in 1994 the root file directory was uni
First unitIntroduction to Computer operating systemsWhat is the operating systemWhat is the kernel of the operating systemTwo operating system user interfacesPreparations for installing the Linux operating systemLinux distributions (CENTOS, RHEL, FEDORA, UBUNTU, SUSE)The relationship between Rhel and CentOSWhy Choose red Hat Enterprise LinuxInstalling the Linux operating systemGraphical installationMinimize
Tags: Linux php java pythonThe 1th chapter of the course introductionThe contents of this chapter will give you all the knowledge of this course browse through .The 2nd Chapter Linux IntroductionThis lesson will bring you together to learn about the Linux distribution history, the application areas of Linux, and the le
Introduction to Linux
In August 1991, in Chihu-Finland, a young man named Linus Torvalds released a Unix-like operating system and named it Linux, and put it on the largest FTP site in Finland, so far, a miracle appeared! Since Linux from the outset is a GPL-compliant free software, with good openness, its concise function, open structure, quickly aroused people,
Basic knowledge of Linux distributions
Although Linux is based on its kernel (kernel), the kernel is far from a fully available operating system environment. Here's what we're going to tell you about the basics of Linux distributions. The boot Manager:boot Manager is a program that exists in the hard drive Master boot record (Aster boot records, MBR), which is tr
core device drivers handle low-level device operations, which seems to be similar to all devices for user-level programs. There may be problems with writing UNIX versions of tar and Cpio (symbolic connections, device files, very long pathname files, and so on), but Linux can handle all files correctly.
Unlike dump, it reads the file system directly, not through the file system. It is also written specifically for backups; Tar and Cpio are really for
Free Flying Linux series tutorial Linux video tutorial-Linux general technology-Linux technology and application information, the following is a detailed reading. Http://itboba.com/taxonomy/term/406
Free Flying Linux series tutorial-1 (catch the stars)
Free Flying
Aimless search for some things, found a good resource, so it must be collected, easy to learn Linux C when you can also refer to other people's learning path, to promote my study and thinkingDescriptionReprint please specify the source: Thank you: http://blog.csdn.net/muge0913/article/details/7342977Blogger's email address is: [Email protected]If there are incorrect or some functions in the article to achieve a better way, please indicate or direct me
Because of its price, flexibility, and stability advantages, Linux software has found many users in IT departments or research institutions. Today, companies such as Novell, Red hat and Sun are advocating Linux to the desktop, but the market is still dominated by Microsoft Windows, although it can be seen as a chance for Linux, but few end users are willing to gi
Install jdk in Linux -- Jdk installation and Linux jdk Installation
One of the essential skills for Java software engineers: Install JDK in Linux
For programmers who choose to develop applications in Linux, installing Jdk in Linux is one of the essential technologies. Here,
This article explains how to enter the linux command line in linux. In the graphic interface, ctrl + alt + space. if you want to see the menu when you start it in linux, you need to modify the file again, or in do
This article explains how to enter the linux command line in linux
The following describes the basic Linux command df and the du command parameters in linux. I hope this will be helpful for your learning. Df command parameters in linux: In linux, df command parameters are used to view the status information of the Linux file system, and dis
Linux under the ADB drive problemLinux under the use of mobile phone USB debugging mode to connect ADB to the Android program debugging, configuration driver without windows to intuitive.The first step is to confirm that the phone is connected to the computer, LSUSB check the device record.[Email protected]:~$ LsusbBus 007 Device 009:id 18d1:4e12Bus 007 Device 001:id 1d6b:0002 Linux Foundation 2.0 root HubB
How to use and run PHP scripts from the Linux command line, the Linux command line PHP script
The following is an illustrated way to share with you under the Linux command to use and run PHP scripts.
PHP is an open source server-side scripting language, originally three letters representing the "Personal Home page", and now stands for "Php:hypertext preprocessor
In Linux, there are many compression commands. Using these compression commands, you can easily download large files from the network. At the same time, we know that the Linux File Extension has no special significance. However, because there are many compression commands in Linux, in order to facilitate memory, some special naming methods will be performed on th
1. Linux link conceptLinux links are classified into two types: hard link and symbolic link ). By default, the ln command generates a hard link.
[Hard connection]Hard connection refers to the connection through the index node. In a Linux File System, a file stored in a disk partition is assigned with an index node number (inode index) No matter what type it is ). In Lin
Linux Command details-less command, linux Command details less
In Linux, there is also a command similar to the more command-less command, which is more flexible and powerful than the more command. Today we will introduce the less command in Linux.For more information about Linux commands, see the quick query manual fo
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.