Linux

1. Three status Modes 2. Common VI commands : E filename (open a new file to the VI editor): E! Filename (open a new file to the VI editor and discard modifications to the current file) : R filename (read file content to the current VI editor) :

Reference: http://oss.org.cn/kernel-book/ldd3/ch09s03.html 13-pin led positive input, 25-pin led negative Driver code: Parport_drv.c #include #include #include #include #include #include

The IOCTL test is an advanced Note of the coolder (1). The underlying IOCTL processing can control all registers by means of shift !~   Main. c upper-layer application test code # Include # include # include # include # include # include

1. Prepare the source code. The latest source code can be obtained from kernel.org, such as the current latest version of 2.6.31: $ wget Linux-kernel/v2.6/linux-2.6.31.tar.bz2 "> http://oss.ustc.edu.cn/linux-kernel/v2.6/linux-2.6.31.tar.bz2 2.

More and more profound understanding of the importance of the foundation, so I want to study a course well, cultivate 0.0001 battle force as the core competitiveness. The experts have stepped on this post. Please leave some suggestions. Main

After the Chinese RedHat is installed, run the setup, VI, and other commands on the Character interface to display garbled characters. The solution after searching the network is as follows: 1. temporary solution# Exportlc_all = POSIXAfter the

// Passive. C for TCP and UDP # include # Include # Include # Include # Include # Include Void error (INT status, int err, char * FMT ,...) {va_list AP; va_start (AP, FMT); vfprintf (stderr,

# Include # Include # Include # Include # Include # Include # Include # Include # Include # Include Struct sockargs {Int S;Struct sockaddr_in * remote;}; Void * process_server (void * ARGs ){Int Len, S;Time_t Ti;Char buff [128];Struct sockaddr_in *

// Server_wait.c # Include "unistd. H"# Include "sys/types. H"# Include "sys/socket. H"# Include "netinet/in. H"# Include "ARPA/inet. H"# Include "stdio. H"# Include "string. H"# Include # Include # Include # Include Void error (INT status, int err,

There are two methods: 1. Switch to another text interface (Alt + Ctrl + F1 ~ 6) After logging in, you can use this command: killall x 2. VI/etc/inittab Change default5 to default3 If you want to prevent the system from logging on to the image and

There is no progress in writing sdks recently. There are so many things about smartcard. Do you have a higher requirement for a fresh undergraduate student? Haha, I like it very much and it is only faster to improve it, however, in many cases, I am

I often see the list head in the Linux kernel. Sometimes I am not very familiar with it. I plan to understand it very early. After compiling the SDK this time, I am a little idle. Let's just take it out. Simple Linked List Implementation #include

  First, let's take a look at the frequently used Linux commands for later convenience. You can use the man command directly on the terminal. The following operations are based on Ubuntu.   1. CP and SCP CP: copy of the current computer SCP: Copy

Linux Kernel compilation-cainiao To install virtual machines, perform some Linux experiments. Therefore, we installed vmware5.5 and didn't want to install VMware Tools. However, to communicate with the host and transmit some files, the following

Three days later, it was incredible that this summer was not so hot. Maybe the real heat has not arrived yet. As time passes by, you cannot get the way you want to live. You need to think differently, understand the true meaning of life, and pursue

Root @ Ubuntu :~ # RouteKernel IP route tableTarget gateway subnet mask flag hop reference Interface192.168.77.0*255.255.255.0 u 1 0 0 eth0Link-local * 255.255.0.0 u 1000 0 0 eth0Default 192.168.77.2 0.0.0.0 ug 0 0 0 eth0Root @ Ubuntu :~ #

About initramfs Initramfs is compiled at the same time and connected to the kernel into a file. It is linked to address _ initramfs_start and loaded to Ram at the same time as the kernel. The space occupied by the original cpio package (compressed

In the project and network connection modules, I had to constantly check whether the network was normal. I tried a lot of methods and finally found a more reliable method. Now I will share it with you. # Include # Include # Include # Include #

From: http://blog.csdn.net/racehorse/archive/2007/11/14/1884038.aspx After reading the first few chapters of Linux driver, I have compiled a 2.4 Kernel Driver Based on the character driver of the 2.6 kernel provided in this tutorial, A detailed

My system was originally Win2k + LINUX 9. Today, to debug a problem, I upgraded the system to Windows XP and naturally cannot start Linux, I tried loadlin and grub4dos and thought it was more convenient to use the latter.I downloaded grub4dos of the