bash shell scripting basics pdf
Tài liệu Linux Shell Scripting Cookbook pdf
Ngày tải lên :
21/02/2014, 19:20
... of commands (run commands) are read
from a shell script called .bashrc, which is located in the home directory of the user (~/.
bashrc
). The bash shell also maintains a history of commands run ... the shell
Arithmetic operations are an essential requirement for every programming language. The
Bash shell comes with a variety of methods for arithmetic operations.
Getting ready
The Bash shell ... ass_array=([index1]=val1 [index2]=val2)
www.it-ebooks.info
www.it-ebooks.info
Shell Something Out
16
For example:
$ echo $SHELL
/bin /bash
$ echo $0
bash
Check for super user
UID is an important environment variable...
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Tài liệu Pro Bash Programming: Scripting the GNU/Linux Shell doc
Ngày tải lên :
17/02/2014, 17:20
... 205
BASH_ ARGC 205
BASH_ ARGV 205
BASH_ CMDS 206
BASH_ COMMAND 206
BASH_ EXECUTION_STRING 206
BASH_ LINENO 206
BASH_ REMATCH 206
BASH_ SOURCE 206
BASH_ SUBSHELL 206
BASH_ VERSINFO 207
BASH_ VERSION ... 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 ... 216
SHELL 217
TIMEFORMAT 217
TMOUT 217
TMPDIR 217
auto_resume 217
histchars 218
■Index 221
www.it-ebooks.info
■ CONTENTS
xiii
■Appendix: Shell Variables 205
BASH 205
BASHPID 205
BASH_ ALIASES...
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Expert Shell Scripting
Ngày tải lên :
20/08/2012, 13:59
... diverse set
of examples that demonstrate the many uses of the test shell programming structure.
The Basics of Comparisons
In UNIX shell scripting there are both internal operators that allow you to ... "Neither can I; I'm just an example shell script"
fi
Neither can I; I'm just an example shell script
The verbose (-v) option to the shell is more useful if you simply want to ... 4
CHAPTER 1
■
SHELL SCRIPT DEBUGGING
preceded by a plus-sign (+) prompt to designate it as part of the trace output. Traced
commands from the running shell that are being executed in a subshell are...
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Tài liệu Lecture 13: Communication Basics: pdf
Ngày tải lên :
10/12/2013, 08:15
... Lecture_13 Communication Basics
Amplitude: Frequency:
Phase:
Lecture 13.doc Page 5 (9)
CSN200 Introduction to Telecommunications, Winter 2000 Lecture_13 Communication Basics
Video signal: ... (9)
CSN200 Introduction to Telecommunications, Winter 2000 Lecture_13 Communication Basics
Communication Basics:
Signals:
Communication happens in the form of signals.
Signals are transmission ... 13.doc Page 6 (9)
CSN200 Introduction to Telecommunications, Winter 2000 Lecture_13 Communication Basics
Transducers converting electrical signals to light lignals:
Infrared diode - generates...
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Tài liệu Internet Basics pdf
Ngày tải lên :
10/12/2013, 14:16
... International Domains
Copyright â 2000 SYBEX Inc., Alameda, CA. www.sybex.com
64
Chapter 2
Internet Basics
mil A branch of the U.S. military.
net A network organization.
org A nonprofit organization.
Unfortunately, ... persons name
Copyright â 2000 SYBEX Inc., Alameda, CA. www.sybex.com
60
Chapter 2
Internet Basics
who have set up access points to it (similar to the on-ramps of the toll high-
ways). These ... backbone
Customer LAN
POTS
Copyright â 2000 SYBEX Inc., Alameda, CA. www.sybex.com
68 Chapter 2
Internet Basics
Uniform Resource Locators (URLs)
E
veryone who has ever used the World Wide Web (WWW) has...
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Tài liệu Learning DebianGNU Linux-Chapter 13. Conquering the BASH Shell pptx
Ngày tải lên :
14/12/2013, 13:15
... popular Unix shells, as shown in Table 13.1. The
most popular Linux shell is the BASH shell (the "Bourne Again SHell& quot;),
based on the original Unix Bourne shell. The BASH shell is largely ... language.
Korn
shell
/bin/ksh The third Unix shell, added many of the features of
the C shell to the original Bourne shell.
Z shell /bin/zsh A feature-packed shell based on the Korn shell.
13.1.2 ... AT&T's System V
Unix.
BASH
shell
/bin /bash
/bin /bash2
The standard shell for Linux, based on the original
Unix Bourne shell. According to its man page,
BASH is "ultimately intended"...
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Tài liệu Components: A Scripting Primer pdf
Ngày tải lên :
14/12/2013, 22:15
... interactive application, requiring relatively little
scripting to make it work.
< Day Day Up >
< Day Day Up >
Components: A Scripting Primer
Because the focus of this book ... discussion in this lesson largely
centers on how to work with and use Flash components from a scripting standpoint. For a
more thorough overview of components, consult the documentation that...
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Tài liệu Lab 1.1.8 Web Browser Basics pdf
Ngày tải lên :
21/12/2013, 19:15
... 1 - 2 CCNA 1: Networking Basics v 3.0 - Lab 1.1.8 Copyright 2003, Cisco Systems, Inc.
Lab 1.1.8 Web Browser Basics
Objective
ã Learn how to use a web browser...
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Tài liệu AppleTalk Basics pdf
Ngày tải lên :
18/01/2014, 05:20
... Troubleshooting v1.0 - Lab 11.2.1 Copyright 2001, Cisco Systems, Inc.
Lab 11.2.1: AppleTalk Basics
SanJose1 SanJose2
DCE 400.2 s0/0
s0/0 400.1
e0/0 500.1
Cable Range
400-400
Zone: WanLink
e0/0 ... Range
500-599
Zone: SanJose2
Cable Range
300-399
Zone: SanJose1
Objective
This lab will cover the basics of configuring an AppleTalk network and the most
common troubleshooting commands. This lab...
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Tài liệu Linux Shell Scripting Tutorial Ver.1.0 docx
Ngày tải lên :
24/01/2014, 02:20
... 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 ... Bourne-Again
SHell )
Brian Fox and Chet
Ramey
Free Software
Foundation
Most common shell in
Linux. It's Freeware
shell.
CSH (C SHell) Bill Joy
University of California
(For BSD)
The C shell& apos;s ... popular shells
(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!)
Shell Name Developed by Where Remark
BASH ( Bourne-Again
SHell...
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Tài liệu XML Basics pdf
Ngày tải lên :
26/01/2014, 12:20
... Up >
XML Basics
Although the name Extensible Markup Language (XML) sounds a bit cryptic, don't
worry: the format itself is actually quite easy to understand. In a nutshell, XML provides ... and
IP to connect to when attempting to connect with a socket server.
N
ow that you know the basics of the XML format, here are some rules you need to
follow when you begin using it:
ã You...
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Classic shell scripting
Ngày tải lên :
19/03/2014, 13:32
... the
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 ... compiled lan-
guages and scripting languages, and the tradeoffs between them. Then it moves
on, covering the very basics of shell scripting with two simple but useful shell
scripts. The coverage ... been doing shell scripting for 30 years?!? Well, now that I think
about it, I suppose I have, although it was only in a small way at first. (The early
Unix shells, before the Bourne shell, were...
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Learning the bash shell - unix shell programming
Ngày tải lên :
19/03/2014, 13:38
... way.
Appendix A compares bash to several similar shells,
including the standard Bourne shell, the POSIX shell
standard, the Korn shell (ksh), the public-domain Korn
shell (pdksh), and the Z Shell (zsh).
Appendix ... -u
You should see a response that looks like /bin /bash or
/usr/local/bin /bash.
To install bash as your login shell, type chsh bash- name,
where bash- name is the response you got to your whereis
command ... at the basics of programmable
completion.
23
1.1. What Is a Shell?
1.2. Scope of This Book
1.3. History of UNIX Shells
1.3.1. The Bourne Again Shell
1.3.2. Features of bash
1.4. Getting bash
1.5....
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