Shell

This blog (Http://blog.csdn.net/livelylittlefish) Post the notes prepared by the author (, Xiaoyu) on the relevant research and study content. You are welcome to correct them!   Hide cmd command line running using wscript. Shell object   1. wscript.

A simple example: #!/bin/bashecho "What's your favourite star?"select var in "Leehom" "Vae" "Jay" "Jolin"; dobreak;doneecho "You have selected $var" Running result: root@ubuntu:~# ./star.shWhat's your favourite star?1) Leehom2) Vae3) Jay4) Jolin#

Awk uses shell variables, and shell obtains the variable values in awk. 09:36:28 | category:Linux | font size subscription Original article: http://renyongjie668.blog.163.com/blog/static/16005312011829102025222/ I think inLinuxLowerAwkIt is a good

// Shellsort (shell sorting) // PC/Ultraviolet IDs: 110407/10152, popularity: B, success rate: average level: 2 // verdict: accepted // submission date: 2011-05-27 // UV Run Time: 0.656 S // copyright (c) 2011, Qiu. Metaphysis # Yeah dot net /// how

Under the current path Ls-altr Space and sky are both folders, and the rest are files. The directory structure is as follows: 1. List all folders in the current path Ls-L | grep ^ d 2. count the number of folders in the

Reprinted: http://blog.csdn.net/zuolongsnail/article/details/8167501 Run ADB shell AM broadcast on the command line to send broadcast notifications. Parameters following ADB shell AM broadcast include: [-A ][-D ][-T ][-C [-C ]...][-E | -- es ...

Chapter 2: more structured commands ForBasic Format for var in listdo commandsdone You can specify the list in the following ways:1. List for var in A B C D If the listed strings contain special characters, such as single quotes1) Use escape

Chapter 2: handling user input Command Line ParametersRead ParametersBASH Shell assigns some special variables called positional parameter to all the parameters entered by the command line.Even include the program name$0: Program name (Absolute

  Some terminal shortcut keys: CTRL + F Forward one character CTRL + B Move one character behind CTRL + E Move to end of line CTRL + L Clear Screen CTRL + d Delete current

1. condition test Two formats: test condition or [condition] (Note that spaces are added on both sides)Condition can be a logical operation of multiple sub-conditions. The logical operator numbers include: -A logic and -O logic or ! Logic No &, | 2.

 FindSearch for files or directories. Syntax: Find [directory...] [-Amin ] [-anewer ] [-atime ] [-Cmin ] [-cnewer ] [-ctime ] [-daystart] [-depyh] [-empty] [-exec ] [-false] [-FLS ] [-follow] [-fprint ] [-fprint0 ] [-fprintf ] [-fstype ] [-gid ]

1. Eval command-line Command-new Roman; "> line is a common command line typed on the terminal.HoweverEvalThe result is shell.Scan it twice before executing the command line.For example: New Roman; "> pipe =" |" New Roman; "> eval ls $ pipe WC-l New

Import flash. display. Sprite;Import flash. display. stage;Import flash. Events. event;Import flash. Geom. Point; Import zujian. tank; Public class paodan extends Sprite{Private var ball: ball;Private var point: Point = new point ();Private var DX:

Iv. Loop Structure statements Common shell loop statements include for loop, while loop, and until loop. ForLoop Syntax: for variable in list Do Operation Done Note: The variable is used inside the loop to refer to the object in the List currently

1. view the current system memory usage (free ): The free command has the following common options: -B displays data in bytes. -K displays data in kilobytes (Kb) (default value ). -M displays data in MB. -S delay this option will enable

Is there the same command as NBTSTAT in Linux! View other information through IP: Host Name, Mac, etc. You can use nmblookup-a ip address. You can also use nbtscan. ARP command: ARP iPad. Local or ARP 192.168.1.108 or ARP-A or ARP VI search string:

Shell script used to detect Processes 10:38:08 | category: centos | font size subscription Script 1: #! /Bin/sh Program = XXXX # process name Sn = 'ps-Ef | grep $ program | grep-V grep | awk '{print $2} ''# obtain the process port numberIf ["$ {sn}"

By using the runtime.exe cute method, we can run the Linux Shell script in a Java program or execute other programs. Referring to this article on the Internet: http://lee79.javaeye.com/blog/418549 (thanks), I rearranged the code.The

Shell may often see: Echo log>/dev/null 2> & 1 Command results can be defined in the form of %>/Dev/null: Indicates an empty device file.>: Indicates the redirection location, for example, Echo "123">/home/123.txt1: Indicates stdout standard output.

1. Linux script compiling Basics1.1 Basic syntax IntroductionStart with 1.1.1The program must start with the following line (must begin with the first line of the file ):#! /Bin/shSymbol #! The parameter used to tell the system that the program is