'Bourne shell' diaporamas de présentation

Lecture 6

Shell Part II: sh, bash, ksh. Lecture 6. Parsing and Quoting. How the Shell Parses. Part 1: Read the command: Read one or more lines a needed Separate into tokens using space/tabs Form commands based on token types Part 2: Evaluate a command:

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Lupina Linux

Lupina Linux. Kernel. Lupina Linux. whoami. pwd. ls. Shell interprets the command and request service from kernel Similar to DOS but DOS has only one set of interface while Linux can select different shell Bourne Again shell (Bash), TC shell (Tcsh), Z shell (Zsh). Bash, Tcsh, Zsh.

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??? ?? An Introduction to Embedded System ????????? 2012 ? 4 ?

??? ?? An Introduction to Embedded System ????????? 2012 ? 4 ?. ? 4 ? ??? Linux ????. Linux ????. Linux ????? ??? Linux ????? Linux ?? Shell Linux ????? GCC ?? Makefile. ??? Linux ??. Linux. ???? ???. ????. ?? Linux ??????????????????. RTLinux.

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CMPT 471 Networking II

CMPT 471 Networking II. Course Information. CMPT 471: Networking II. Monday, Wednesday, Friday 9:30 Textbook: Internetworking with TCP/IP Vol. 1: Principles, Protocols, and Architecture (5/e) Douglas Comer, Prentice-Hall, 2006 Additional References:

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INFO 320 Server Technology I

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Shell ??

Shell ??. ??. Index. The shell of Linux Bourne Shell Programming find.and.regular.expression text manipulation. The shell of Linux. Bourne shell (sh), C shell (csh), Korn shell (ksh), TC shell (tcsh), Bourne Again shell (bash).

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Chapter 5 Bourne Shells Scripts

Chapter 5 Bourne Shells Scripts. By C. Shing ITEC Dept Radford University. Objectives. Understand how to use Bourne shell to write shell script. Shell Scripts . A sequence of Unix commands Must be stored in Unix format (no <CR> character) file

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Borne Shell

Borne Shell. Background Early Unix shell that was written by Steve Bourne of AT&T Bell Lab. Basic shell provided with many commercial versions of UNIX Many system shell scripts are written to run under Bourne Shell A long and successful history. Bourne Shell Programming. Control structures

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Programming in C & Living in Unix

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Shell Script

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The Attack and Defense of Computers Dr. ? ? ?

The Attack and Defense of Computers Dr. ? ? ?. Passwords in Unix/Linux Systems. /etc/passwd. Format: Racehl : eH5/.mj7NB3dx : 181 : 100 : Rachel Cohen : /u/rachel : bin/ksh. home directory. uid. gid. user name. login shell. account name. encrpyted password. System Function Account.

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CMPT 471 Networking II

CMPT 471 Networking II. Linux Primer . Shell Scripts. A shell script is an executable file containing a series of shell commands. When the shell script is executed the commands in the file are executed in sequence by the shell.

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Chapter 8 The Bourne Again Shell

Graham Glass and King Ables, UNIX for Programmers and Users , Third Edition, Pearson Prentice Hall, 2003. Original Notes by Michael Weeks. Chapter 8 The Bourne Again Shell. Bourne Again SHell (bash) ?. Typical shell on Linux systems Written by Brian Fox of the Free Software Foundation

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Introduction to Linux

Introduction to Linux. Linux startup process Unix Shells and scripts. Startup of Linux. When you start linux, you normally see lines of messages with a SUCCESS or FAIL tag on the right. (Press F2 to see these messages on SuSE Linux.) These messages basically tells you devices it detects.

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Integer variables

Integer variables. #!/bin/csh # sum of numbers from $argv[1] to $argv[2] set low = $argv[1] set high = $argv[2] set sum = 0 set current = $low while ( $current <= $high) @ sum += $current @ current++ end echo The sum of the numbers from $low to $high is $sum.

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Introduction to Unix Shell & Scripting

Introduction to Unix Shell & Scripting. Unix. The first version of Unix came from AT&T in the early 1970s Operating system developed by programmers for programmers Designed such that users can extend the functionality To build new tools easily and efficiently

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An overview of the GNU autotools

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Chapter 1 What is Unix?

Chapter 1 What is Unix?. By C. Shing ITEC Dept Radford University. Objectives. Understand Unix history Describe Unix components Understand Unix features. Unix Brief History. 1969 Ken Thompson, Bell Lab use assembly language machine dependent 1970 Dennis Ritchie, Bell Lab

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Progress in Multiplatform (Linux and Windows) Software Deployment

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