Shell

#! /Bin/sh # Startup Method Start (){ Java-xms128m-xmx2048m-jar test1.jar5> Log. log & Java-xms128m-xmx2048m-jar test2.jar5> Log. log & Tail-F result. Log } # Stop Method Stop (){ PS-Ef | grep test | awk'{Print $2 }'

A shell script must have been written as follows: If [-D dir]ThenEcho "success"ElseEcho "failed"Fi When talking about if, the book will mention the following two rules: 1. There must be spaces on the left of "[" and; 2. If you want

Bash Shell has two popular shortcut key styles: emacs-based and VI-based, and can switch between them. Set-o vi # Switch to VI StyleSet-O Emacs # Switch to the Emacs Style It is based on Emacs by default, which I like very much. After all, I

It has been a while before the first post has been changing the series. At that time, I was just in touch with shell scripts and will be used temporarily at work. Learn the same thing, love the same, step by step. 1. Single and Double quotation

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ I. "'$ var '"In this way, you do not need to change the habit of using the awk program. It is a common method used by foreigners. For example:Var = "test" awk 'in in {print "'$ var '"}'In this

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ #! /Bin/bash #################################### ###################################### Author: futuristic daemon # created time: Thu 19 Nov 2009 10:57:15 pm CST # file name: checkmem. sh #

According to the shell programming of laruence's private dish, there is an inexplicable problem.For example: # Test if else   Read-P "input y/n? : "YN If [$ YN = "Y"]; then Echo "continue ;"Elif [$ YN = "N"]; thenEcho "break ;"ElseEcho "PLS

2.1 What is Shell Interpreted language, which is not suitable for jobs that are picky about execution time or have a large processor. Shell is a program that acts as an operation interface between users and Unix systems. File

Http://blog.chinaunix.net/u/29289/showart_407859.html A read operation can assign values to multiple variables at a time, but only one row can be read at a time. For example: #! /Bin/bash ifs =: Read aa bb cc

In this article, through the summary of variable declaration, loop statements, condition judgment, and data superposition in shell scripts, most scripts of Linux daily management can be solved. 1. Variable declaration: Is a weak language, with name =

Location parameters can be used shiftCommand left shift. For example shift 3Indicates the original $4Change $1, The original $5Change $2And so on. $1, $2, $3Discard, $0Do not move. Without Parameters shiftThe command is equivalent shift 1. Very

First, you need to first understand how awk works: 1. Awk reads one row of the input file at a time. 2. For each row, it matches in the given sequence mode. If it matches, the corresponding action is executed. 3. If no pattern match exists, any

Button action CTRL + a move to the beginning of the line CTRL + e move to the end of the row CTRL + B move the cursor one character to the left CTRL + F move the cursor one character to the right CTRL + C terminate the processCTRL + z pending

11.5 Dangdang ~~~ Class ~~~ Pai_^ As mentioned above: $ cat ; after file, the results of files with original content are washed away ﹗ It is not difficult to understand this concept. This is just a matter of priority: * In Io redirection, The stdout

Common shells are mainly divided into two major types: SH: Burne shell (SH) Burne again shell (BASH) CSH: C shell (CSH) TC shell (tcsh) Korn shell (Ksh) Bash is one of the most successful products in the GNU project. It has been widely used in UNIX

1. Create and run Shell programs What is a shell program? Simply put, a shell program is a file containing several lines of shell or Linux commands. Like programming in advanced languages, writing a shell program requires a text editor, such as VI.

The issue is that in w2k3 Telnet Server(Tlntsvr.exe) no longer runs as LocalSystem and needs to run the CMD Process(Cmd.exe) usingCredentials of the logged in user. If Secondary Logon Service is notStarted, TelnetServer process cannot start the CMD

Read files by row:Java code While read myline Do Echo $ myline Done This program is to put the input file/Etc/passwdOne output. If we only need to output username and home directory, We need to parse the file.Each row is roughly as follows,

In Windows, there are some files that can be decompressed by yourself, that is, the so-called self-decompressed files. You don't need to know which compression technology is used to compress the file, you can simply decompress the file by running

History display command history list ← (Ctrl + p) display the previous command Hide (Ctrl + n) display the next command ! Num: The num command in the History list. !! Run the previous command !? String? Execute the latest command containing string