Linux

There are two benefits to using shortcuts: 1. sense of accomplishment! 2 efficiency! Stop your work and learn the best skills in one second. You can do it in five minutes! "Brown bold" indicates "recommended "! CTRL-A is equivalent to the

Name: less Permission: All Users Usage: less [Option] filename Note:The role of less is very similar to that of more. It can be used to browse the content of text files. The difference is that less allows users to scroll back to browse the

// Ifconf is usually used to save all interface information// If. hStruct ifconf{Int ifc_len;/* size of buffer */Union{Char * ifcu_buf;/* input from user-> kernel */Struct ifreq * ifcu_req;/* return from kernel-> User */} Ifc_ifcu;};# Define ifc_buf

Cause: the handle is used up. This can be caused by the following situations: 1: The file handle is not closed, including common files, socket descriptors, and database connections. 2: although all handles are released, they are not manually

Date: 2009.05.08 Content: file I/O General description of available file I/O functions: open files, read files, write files, etc. file I/O generally includes five functions: Open/read/write/lseek/close The function described in this section is often

Many people always ask this question, so here is a summary document for your reference. Is the document originally in http://www.armjishu.com/bbs/viewtopic.php? Id = 158 Here, we must first describe that the following steps are for Linux systems and

When files are frequently accessed in Linux, the physical memory will soon be used up. When the program ends, the memory will not be released normally, but will always be used as caching. It seems that many people are asking this question, but they

Log on to xmanager on Linux as4 Xmanager is an easy-to-use high-performance X server software running on Windows platforms. It can seamlessly bring remote Unix/Linux desktops to your windows, even after your computer is on the Intranet or firewall,

3. Mount the disk array to the Linux System [Root @ database1 ~] # Fdisk-l Disk/dev/SDA: 146.9 GB, 146999869440 bytes255 heads, 63 sectors/track, 17871 CylindersUnits = cylinders of 16065*512 = 8225280 bytes Device boot start end blocks ID

View the time zone: # Cat/etc/sysconfig/clock View System Time: # date Modification date: # date-s 25/10/2012 Modification time: # date-s 21:45:36 Use the ntpdate command to automatically synchronize time. You can find the relevant

Waitpid system call]Function Description:Wait for the process to change its status. Which of the following calls are used to wait for the sub-process status to change and obtain information about the sub-process whose status has changed. Status

Apache concurrent connections and bandwidth control in LinuxThe stability, security, performance, and low price of Linux + Apache are gaining more and more market share. More and more friends are using Linux + Apache as website servers, while Apache

If you have installed Windows and Linux, It is a headache to delete Linux later. Because MBr has been taken over by Linux, the purpose of this article is, simple to Uninstall Linux perfectly.Use mbrfix.exe to uninstall Windows dual-system Linux You

Detailed explanation of Linux fork-understand the collection # Include ;# Include ; Main (){Pid_t PID;PID = fork (); If (PID Printf ("error in fork! ");Else if (pid = 0)Printf ("I am the child process, my process ID is % d/N", getpid ());ElsePrintf (

The header file directory contains a total of 32. h header files. There are 13 main directories, 4 sub-directories in ASM, 10 sub-directories in Linux, and 5 sub-Directories In sys. The respective functions of these header files are as follows. For

Document directory Release cache memory in Linux Release cache memory in Linux Careful friends will notice that when you frequently access files in Linux, the physical memory will soon be used up. When the program ends, the memory will not be

0. Reference Materials Zheng Peng, Zeng Ping, editor-in-chief of Ding Jianli, and Wuhan University Press1. Basic Linux commands 1.1 General Format of Linux commands The general format of Linux commands is as follows:   Command name [Option]

My testing machine has many problems. Previously, safe cannot be installed, and staf cannot be installed. Man cannot be used now ...... It turns out to be Man man fgets: no such file or directory Error reading man

Http://www.cnitblog.com/puppypyb/archive/2008/08/20/48172.aspx Linux Kernel container_of macro definition analysis I. # define offsetof (type, member) (size_t) & (type *) 0)-> Member)1. (type *) 0) convert zero to type pointer;2. (type *)

In Windows, the default mode is GB encoding, while in VIM mode, the default mode is UTF-8 (gedit is also UTF-8 by default. Modified the configuration file so that vi supports the GB encoding.$ VI ~ /. VimrcLet & termencoding = & EncodingSet