linux shell scripting cookbook ebook pdf

... Trang 1Linux Shell Scripting Tutorial Ver.1.0 Trang 2Linux Shell Scripting Tutorial Ver 1.0Written by Vivek G Gite Trang 3More Advanced Shell Script Commands/dev/null ... (In MS-DOS, Shell name is COMMAND.COM which is also used for same purpose, but it's not as powerful as our Linux Shells are!) Most common shell in Linux It's Freeware shell. CSH (C SHell) Bill ... another For shell script, $ myshell foo bar Shell Script name i.e myshell First command line argument passed to myshell i.e foo Second command line argument passed to myshell i.e bar In shell if

Ngày tải lên: 24/01/2014, 02:20

... this file using themk_large_file.kshshell script) A 7,500-line file is an extremely large file to beparsing line by line in a shell script, about 600 MB, but my Linux machine is so fast that I needed ... file that has 7,500 lines, you Trang 8add the number of lines as a parameter to the shell script name Using the shell scriptin Listing 2.1, you create a 7,500-line file with the following syntax: ... mk_large_file.ksh shell script listing (continued) Each line produced by the mk_large_file.ksh script is the same length The userspecifies the total number of lines to create as a parameter to the shell

Ngày tải lên: 09/08/2014, 16:20

... hgrep.ksh shell script (continued) Trang 2/usr/bin/cat $OUTPUT_FILE | /usr/bin/more;; esac rm -f $OUTPUT_FILE # End of Script Cleanup Listing 15.1 hgrep.ksh shell script (continued) In the shell ... element 2 we can extract the first case statement to create a new shellscript Let’s call this shell script printing_only_UP_Linux.ksh You can see themodifications in Listing 16.9 Trang 26# AUTHOR: ... Linux system Logging is enabled. # # REV LIST: # # set -x # Uncomment to debug this script # set -n # Uncomment to check syntax without any execution Listing 16.9 printing_only_UP_Linux.ksh shell

Ngày tải lên: 09/08/2014, 16:20

... Trang 2Linux Shell ScriptingChapter 1: Quick Introduction to Linux What Linux is? Who developed the Linux? How to get Linux? How to Install Linux Where I can use Linux? What Kernel Is? What is Linux ... Linux Shell? How to use Shell What is Shell Script ? Why to Write Shell Script ? More on Shell Chapter 2: Getting started with Shell Programming How to write shell script Variables in shell ... > What is Linux Shell ? http://www.cyberciti.biz/pdf/lsst/ch01sec07.html (2 of 2) [7/29/2002 6:51:30 PM] Trang 19Linux Shell Scripting Tutorial (LSST) v1.05r3How to use Shell To use shell (You

Ngày tải lên: 05/11/2019, 14:32

... Trang 2Linux Shell ScriptingChapter 1: Quick Introduction to Linux What Linux is? Who developed the Linux? How to get Linux? How to Install Linux Where I can use Linux? What Kernel Is? What is Linux ... Linux Shell? How to use Shell What is Shell Script ? Why to Write Shell Script ? More on Shell Chapter 2: Getting started with Shell Programming How to write shell script Variables in shell ... > What is Linux Shell ? http://www.cyberciti.biz/pdf/lsst/ch01sec07.html (2 of 2) [7/29/2002 6:51:30 PM] Trang 19Linux Shell Scripting Tutorial (LSST) v1.05r3How to use Shell To use shell (You

Ngày tải lên: 16/11/2019, 20:58

... Trang 2Linux Shell ScriptingChapter 1: Quick Introduction to Linux What Linux is? Who developed the Linux? How to get Linux? How to Install Linux Where I can use Linux? What Kernel Is? What is Linux ... Linux Shell? How to use Shell What is Shell Script ? Why to Write Shell Script ? More on Shell Chapter 2: Getting started with Shell Programming How to write shell script Variables in shell ... > What is Linux Shell ? http://www.cyberciti.biz/pdf/lsst/ch01sec07.html (2 of 2) [7/29/2002 6:51:30 PM] Trang 19Linux Shell Scripting Tutorial (LSST) v1.05r3How to use Shell To use shell (You

Ngày tải lên: 17/11/2019, 07:35

... Tìm hiểu và sử dụng Linux shell 8 I Shell và các loại Shell 8 1 Bourne Shell 8 2 Korn Shell 9 3 C Shell 10 4 Bash (Bourne Again Shell) 12 II Các lệnh cơ bản trong Linux Shell 17 1 Phép kết gán ... và sử dụng Linux shell I Shell và các loại Shell 1 Bourne Shell Bourne Shell được biết với tên sh là một trong những loại Shell đầu tiên và thông dụngnhất hiện nay Để bắt đầu sử dụng Shell bạn ... NGHIỆPLinux shell , Tháng năm Trang 2Mục lụcChương I : Giới thiệu 5 I Lịch sử ra đời của Linux 5 II Các chức năng của Linux 5 III Giới thiệu chung về Linux 6 Chương II : Tìm hiểu và sử dụng Linux

Ngày tải lên: 25/01/2014, 16:20

... CONTENTS i Pro Bash Programming Scripting the GNU/Linux Shell ■ ■ ■ Chris F.A Johnson Trang 3■ CONENTS ii Pro Bash Programming: Scripting the GNU/Linux Shell Copyright © 2009 by Chris F.A ... books about shell scripting His first book, Shell Scripting Recipes: A Problem-Solution Approach, was published by Apress in 2005 Introduced to Unix in 1990, Chris learned shell scripting because ... eXperT’s VoiCe® in linuX Bash Programming Scripting the GNU/Linux Shell Chris F.A Johnson Programming bash from one-liners to professional programs Covering Bash 4.0 www.it-ebooks.info Trang

Ngày tải lên: 17/02/2014, 17:20

... you along your Linux journey Visithttp://www.linuxtrainingacademy.com/linux-apps or click here to download your free gift Trang 9I have been working at the command line on Unix and Linux systems ... Linux command line and operating system please read my otherbook Linux for Beginners It will give you a strong foundation upon which you can build your Linuxskills Let's get started Trang 10Shell ... argument to the command, is :1, etc $ mv Working-with-Files.pdf Chapter-18-!#:1 mv Working-with-Files.pdf Chapter-18-Working-with-Files.pdf Trang 21Save a Copy of Your Command Line Session$ script

Ngày tải lên: 20/03/2018, 09:14

... lệnh Linux và Shell viết kịch bản Giải pháp mạng, đám mây và an ninh mạng (Boğaziçi Üniversitesi) Trang 2Chính xácChính xác Zsh là một ví dụ về shell Chính xác Chính xác Windows không dựa trên Linux ... Linux 1 Câu hỏi 1 Phát biểu nào sau đây về Linux là KHÔNG đúng? Hệ điều hành Android được sử dụng trong nhiều điện thoại thông minh sử dụng nhân dựa trên Linux Windows dựa trên hệ điều hành Linux. ... bản phân phối Linux là KHÔNG đúng?Mỗi bản phân phối Linux được điều chỉnh cho một đối tượng hoặc nhiệm vụ cụ thể. Bản phân phối Linux còn được gọi là bản phân phối Một bản phân phối Linux phải dựa

Ngày tải lên: 09/04/2023, 22:30

... LINUX gọi là SHELL Có nhiều trình thông dịch SHELL SHELL of BOURNE (sh) của AT&T Korn SHELL (ksh) trên UNIX C SHELL (csh) của Berkeley Tenex SHELL (tcsh) Bourne Again SHELL (bash) 4 SHELL ... ĐIỀU HÀNH LINUX (SHELL) Phạm Nguyên Khang, Đỗ Thanh Nghị Email: pnkhang,dtnghi@cit.ctu.edu.vn 2 Nội dung SHELL Trình thông dịch SHELL Cấu hình phiên làm việc Lập trình SHELL 3 SHELL Tất ... ấn ENTER, SHELL sẽ đọc lệnh từ bàn phím Phân tích cú pháp (kiểm tra lỗi, tách tham số, …) Thay thế các ký tự đại diện/mở rộng các tham số (nếu có): SHELL Expansion Thực thi lệnh Ví dụ: SHELL hiển

Ngày tải lên: 04/05/2014, 21:43

... contains shell metacharactersthat must be protected from expansion The chsh command changes a user’s login shell Its syntax is: chsh [-s shell ] [-l] [username] -s shellsets username’s login shell ... must be at least six characters.5 Select a login shell If you choose not to accept the default shell, select an alternative shell from the Login Shell drop-down box 6 As noted earlier in this chapter, ... Linuxmakes greater use of group accounts than other Linux distributions do So,knowing how to add, modify, and delete group accounts is more important onRed Hat systems than it is with other Linux

Ngày tải lên: 07/07/2014, 09:20

... SSH (Secure Shell) firewall configuration for, 57 overview, 434–436 scp with, 431–433 sftp over, 433, 509–510 Telnet versus, 430, 434 tunneling protocols through, 431 sshd (secure shell daemon), ... needed by, 4 responsibilities of, 4 as root user, 4–5 size of installation and, 4 uniqueness of Linux for, 3–4 system administrator duties backing up and restoring files, 7–9 configuring security, ... login, 168 system failure, 8, 9 system log log viewer for, 185–186, 881–882 messages indicating SELinux problems, 840–841 NTP-related entries, 405 Sudo logging to, 733 as troubleshooting resource,

Ngày tải lên: 07/07/2014, 09:20

... shell scripting section for Solaris later in this chapter Creating the Shell Scripts Now that we have the basic syntax of the commands to get paging and swap space tistics, we can start our scripting ... for the AIX shell script Take a look at the entire shell script shown inListing 6.3, and pay particular attention to the boldface type Trang 35# PLATFORM: AIX Only# # PURPOSE: This shell script ... We need to be able to execute this script onAIX, Linux, HP-UX, and Solaris without the need to change the script on each platform Running on AIX, Linux, HP-UX, and Solaris Can we run the filesystem

Ngày tải lên: 09/08/2014, 16:20

... vmstat script. Scripting with the vmstat Command When you look at this shell script for vmstat you will think that you just saw this shell script in the last section Most of these two shell scripts ... We are going to create a shell script using the iostat command and use almost the same technique as we did in the last section Scripting with the iostat Command In this shell script we are going ... threshold level for notification on a machine-by-machine basis Scripting with the uptime Command Scripting the uptime solution is a short shell script, and the response is immediate As you remember

Ngày tải lên: 09/08/2014, 16:20

... creating this shell script When we get tothe scripting section you will see the other tasks that I have in mind, and you can pickup a pointer or two from the chapter Arrays In a Korn shell we can ... variable For shell variables you must use the shell notation here, too Ifthe number of arguments on the command line exceeds three, then we display theusagefunction and exit the shell script ... to create the mk_passwd.ksh shell script The entireshell script is shown in Listing 10.15 Pay particular attention to the boldface textthroughout the mk_passwd.ksh shell script Trang 28# PURPOSE:

Ngày tải lên: 09/08/2014, 16:20

... useful tool for shell scripting solutions for various Unix flavors in a single shell script. I hope you enjoyed this chapter. I think we covered some unique ways to solve the scripting problems ... overkill for any large shop, but it is easy to modify the shell script to accomplish this task. You want to make the following change to the shell script after completing the tasks in the previous ... modified shell script to ping the /etc/hosts file is included on the Web site that accompanies the book. The filename is pinghostsfile.ksh. Logging I have not added any logging capability to this shell

Ngày tải lên: 09/08/2014, 16:20

... the original shell Therefore, when the script command stops executing, one of the shells in the fork terminates, but not the original shell This last exit logs out of the original shell You may ... configured for this shell script Refer to your sudo notes. # set -n # Uncomment to check syntax without any execution # set -x # Uncomment to debug this shell script # Listing 19.3 broot shell script ... then case `uname` in Linux) # Linux does not have “mailx” mail -s “$TS - $LOGNAME Audit Report” $LOG_MANAGER < TS=$(date +%m%d%y%H%M%S) # File time stamp Listing 19.3 broot shell script listing

Ngày tải lên: 09/08/2014, 16:20

... of the other shell scripts later in this chapter.That is it for the addition shell script, but we still have four more shell scripts to go in this chapter Each of the following shell scripts ... subtraction Because this shell script is very similar tothe shell script in Listing 22.1 we are going to show the shell script and study thedetails at the end The float_subtract.ksh shell script is shown ... floating-point math in shell scripts In this chapter we are going to create shell scripts that add, subtract, multiply,divide, and average a list of numbers With each of these shell scripts the user

Ngày tải lên: 09/08/2014, 16:20

... Unix tools, together with the standard shell, to get your job done This is the art of shell scripting Shell scripting requires not just a knowledge of the shell language, but also a knowledge of ... shell scripts This makes shell scripting very important for extending user environments and for customizing software For a long time, there's been a conspicuous lack of a good book on shell scripting ... are Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Trang 9A core set of Unix tools are used over and over again when shell scripting We cover the basics of the shell and

Ngày tải lên: 12/08/2014, 10:22