character r

Vim shortcut key package (i) move cursor h-- l (Small letter l Span style= "font-family: ' Times New Roman ';" >-- Move right k-- move up j-- below move

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

Turn from: http://www.cnblogs.com/wangkangluo1/archive/2012/04/12/2444952.html keyboard Move (move)Everything is moving from the keyboardK-On UpJ-DownH-LeftL-R RightZ---redraw the screen, the current cursor changes to the first line of the screen

Introduction to Linux and Ubuntu InstallationLinux, free open source, multi-user multitasking system. Linux is based on multiple versions of the derivative. RedHat, Ubuntu, DebianInstall a VMware or VirtualBox virtual machine. Specific installation

Sed advanced editing commands, mode space, hold space, vi visualization mode, VIMRC, address delimitationSed (stream deitor): line editorOverview Sed is a streaming editor that processes a single line of content at a time. When processing, all the

Linux, free open source, multi-user multitasking system. Linux is based on multiple versions of the derivative. RedHat, Ubuntu, DebianInstall a VMware or VirtualBox virtual machine. Specific installation procedures, to find Baidu.Install Ubuntu

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

Linux Common commands:Linux File system:1. File names are strictly case sensitive2. Files can use any character except/unexpectedly; special characters are not recommended3. File name cannot be longer than 255 characters4. Files with a. Start as

TCP protocol:Socket classConstruction Method:TCP program, you must first open the server-sideMember MethodsServer-side programs:Create a server-side socket object;monitoring connection;Gets the input stream and displays it;Freeing

1. Scanner class the console scan class provided by the JDK is used to read information from the console input. Import Java.util.Scanner required before use; (Import Package).Use:Created object: Scanner SCA = new Scanner (system.in);Get string:

Manipulation of stringsThe Capitaliza () Str.capitaliza () method returns a string with the first letter capitalized and the other lowercase lettersCount () Str.count (Sub,start=0,end=len (str)) method counts the number of occurrences of a substring

Move cursor ctrl+b screen move backward one page ctrl+u screen move backward half page ctrl+f screen move forward one page Ctrl+d screen move forward half page W cursor jumps to the beginning of the next word e cursor jumps to the end of the next

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

Common directivesLS Display file or directory-l 列出文件详细信息l(list)-a 列出当前目录下所有文件及目录，包括隐藏的a(all)mkdir Creating a Directory-p 创建目录，若无父目录，则创建p(parent)CD Switch DirectoryTouch creates an empty fileEcho creates a file with

10.Linux command ExplanationCourse Requirements:1. Learn about the use of common commands for Linux systems.Laboratory Equipment:Software:1. A VMware virtual machine with RHEL6 installed.Hardware:1.PC Machine one set.Background knowledge:1.

First, Introduction HyperTerminal is a universal serial interaction software with Windows operating system, which can be configured for router switches and so on. Use a modem, a 0-demodulation cable, or an Ethernet connection, and then call this

{Curl 8.0 Applet}{Curl-file-attributes character-encoding = "gb2312"}{Applet manifest = "Manifest.mcurl",{compiler-directives careful? = true}}{include "Vle-container.scurl"}|| This behavior comment line, output escape characterFirst line \ nSecond

Regular expression is regular expression, it seems that English is better than Chinese understand more, is to check expression characters Not meet the rules!! Regular expressions have a very powerful and very complex object regexp, in the JavaScript1

Principle of progress bar implementation What is the difference between a progress bar and a regular print?The answer is that print prints a \ n, a newline, so that the cursor moves to the beginning of the next line, and then the output, which is

order to enter VI VI FileName: Open or create a new file and place the cursor at the beginning of the first line VI +n FileName: Open the file and place the cursor at the beginning of nth VI + FileName: Open the file and place the cursor at the end