Linux

The software used to access RedHat Linux desktops from Windows is the VNC that comes with RedHat Linux. VNC is the abbreviation of vitual network computing. It supports many operating platforms and can even be operated in browsers. 1. First,

In Windows, in order to synchronize multiple threads, we usually have to ensure that only one thread can be used for the use of global variables and other resources, A thread cannot use this variable for other threads before it is declared to be

At the beginning of Windows 7 Sales, users in North America complained that Windows 7 sales prices were much cheaper in the east than in the West. Our famous LinusTorvalds came to a software store in Tokyo, Japan to "Celebrate Windows 7 release". Is

  Ubuntu1004. Some PDF files cannot display Chinese characters. The solution is as follows:   1. First install the font A.Sudo apt-Get install xpdf-Chinese-simplified; B. sudo apt-Get install xpdf-Chinese-traditional.     2. Open the PDF file after

Document directory         When Sam looked at 2.4kernel, he often looked at list. But now he hasn't looked at kernel for a long time, didn't write programs, and he has forgotten a lot. Today, let's take a look and record it.  

  [From making a logo to LCD display or VGA display logo]1. How to Create a logo:First, select a local image. Then, use the gimpsoftware to save the image as. PNG,The conversion method is not mentioned.Then pass the image to a Linux PC, such as

The Unified Call uses MMAP () to map a common file to implement shared memory. System V maps files in the SHM of a special file system to implement shared memory communication between processes. That is to say, each shared memory area corresponds to

For a file, there is a unique index contact (inode) corresponding to it, but for an index contact number, there can be multiple file names corresponding to it. Therefore, the same file on the disk can be accessed through different paths. Note that

Recently, I am working on a capacitive touch screen driver and using I2C bus interfaces to transmit data. So let's take a look at the I2C bus principles. The I2C bus is a character transmission bus between chips launched by Philips. It adopts

Function Description: create or modify a file to be kept, or extract files from the file to be kept. Syntax: Ar [-dmpqrtx] [cfossuvv] [A ] [B ] [I ] [keep files] [member files] Note: Ar allows you to collect many files and make them a single file.

What is core dump? Core dump is also called core dump. When an exception occurs during the program running and the program exits abnormally, the operating system stores the current memory status of the program in a core file, which is called core

The scheduler at the beginning is the start scheduling algorithm with the complexity of O (N) (In fact, every time all tasks are traversed, the complexity is O (n )), the disadvantage of this algorithm is that the scheduler itself takes a lot of

To use the serial port for Linux running on a virtual machine, you must set it in the Virtual Machine. Choose VM> Settings> hardware> Add to add the serial port. You can set COM1, com2 is added, you can also choose to automatically detect, then,

Executable file formats/emulations ---> [*] Kernel support for elf Binaries// Elf is the most common binary file format on open platforms. It supports dynamic connections and different hardware platforms. unless you know what you are doing, ELF

By Bjorn chambless   Introduction The following is designed familiarize the reader with programming in x86 (at&t Style, that produced by GCC) assembly under Linux and how to interface assembly And higher-level language code (I. e. c)

6. How to set a sound card I don't need to say, this is a very important job! However, if you have installed Red Hat Linux, this is easy! Log on to the system as the root user and run/usr/sbin/sndconfig. The image of the sound card type is

In Linux, the RM + grep command deletes all files except the specified file. Previous/next article 10:17:38/personal classification: liunx (185)/comment (0)/score (0/0) this afternoon, I was asked how to delete all the files in a directory except

Recently, I have studied network programming and found that there are many resources in Unix/Linux, which is convenient to study. Therefore, the first step is to install GCC when installing the relevant development environment recently. I think a

In Linux, each process has two IDs: User ID and valid user ID. uid generally indicates the process creator (which user is created ), EUID indicates the process's access permissions to files and resources (which user has the same permissions ). You

Document directory Java SE Development Kit 6 update 29  Java SE downloads Thank you for downloading this release of the javatm platform, Standard Edition Development Kit (jdktm). The JDK is a development environment for building applications,