... Alternative Shells
What Is the dash Shell?
The dash Shell Features
Scripting in dash
The zsh Shell
Parts of the zsh Shell
Scripting with zsh
Summary
Part IV: Advanced ShellScripting Topics ... beginning home Linux users
PCLinuxOS Full-blown Linux distribution on a LiveCD
Ubuntu A worldwide Linux project, designed for many languages
Slax A live Linux CD based on Slackware Linux
Puppy Linux A ... filesystems that a Linux system can use to read and write data.
Table 1.1 Linux Filesystems
Filesystem Description
ext Linux Extended filesystem—the original Linux filesystem
ext2 Second extended...
... ]
1.3 Versions, Latest Edition, and Errata
@sf{WWW}: http://dsl.org /cookbook/
The LinuxCookbook is available in both hardcopy and as a machine−readable file. The latest edition of this
book in ... [Contents] [Index] [ ? ]
The Linux Cookbook: Tips and Techniques for Everyday Use:
The Linux Cookbook: Tips and Techniques for Everyday Use 2
www.it-ebooks.info
3. What Every Linux User Knows
This ... electronic
The Linux Cookbook: Tips and Techniques for Everyday Use:
3. What Every Linux User Knows 23
www.it-ebooks.info
mail waiting for you (see section Email). Finally, the system puts you in a shell −−the...
... 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 ... file. Linux may use one of the following most 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...
... successors were csh, a shell loosely based on the C language,
and the Korn shell (ksh), an improved Bourne shell developed by David G. Korn. Shell
designers incorporated commands into the shell for better ... to be
built into the shell wasn’t. Even arithmetic was performed by other programs outside of
the shell. This slowed the shell, but speed was not an important factor when the shell
spent most of ... first Unix shell was the developed by Steven R. Bourne in 1974 for the Seventh
Edition of Unix. Called the Bourne shell (or sh) in honor of its creator, it set the stan-
dard for Unix shells, including...
... interactive)
Commands :
read
select
The Saigon CTT
The Linux Shell
The Linux Shell
Shells : Bourne (sh), Bourne Again
(bash), Korn (ksh), C shell (csh, tcsh)
Programs start from command line ... | wc –l`
# echo $VAR1
65
The Saigon CTT
The Linux Shell
The Linux Shell
Shells : Bourne (sh), Bourne Again
(bash), Korn (ksh), C shell (csh, tcsh)
Programs start from command line ... done
until <condition>
do
#list of commands to do
done
The Saigon CTT
Shell Environment Customize
Shell Environment Customize
bash config files :
•
/etc/profile
•
~/.bash_profile,...
... of
Shell Scripting Recipes:
A Problem-Solution
Approach
THE APRESS ROADMAP
Beginning the
Linux Command Line
Linux System
Administration Recipes
Beginning Portable Shell Scripting
Expert Shell ... books about shell scripting. His
first book, ShellScripting Recipes: A Problem-Solution Approach, was published by
Apress in 2005.
Introduced to Unix in 1990, Chris learned shellscripting ... 978-1-4302-1997-2
9 781430 219972
5 34 9 9
Pro Bash Programming:
Scripting the GNU /Linux Shell
Dear Reader,
The shell is a programming language! A shell script is as much a program as
anything written...
... Linux Command Line
Chapter 1: Starting with Linux Shells 3
Chapter 2: Getting to the Shell 25
Chapter 3: Basic bash Shell Commands 59
Chapter 4: More bash Shell Commands 91
Chapter 5: Using Linux ... Advanced gawk 501
Part IV Alternative Linux Shells
Chapter 20: The ash Shell 533
Chapter 21: The tcsh Shell 557
Chapter 22: The Korn Shell 587
Chapter 23: The zsh Shell 611
ix
www.it-ebooks.info
Blum ... resource on the Linux
command line and shell commands. By the time you have completed Linux Command Line and
Shell Scripting Bible, you will be well prepared to write your own shell scripts that...
... function.
www.it-ebooks.info
Mastering UNIX
®
Shell
Scripting
Bash, Bourne, and Korn Shell
Scripting for Programmers, System
Administrators, and UNIX Gurus
Second Edition
Randal K. Michael
Wiley Publishing, ... Inc.
www.it-ebooks.info
Mastering UNIX
®
Shell
Scripting
Bash, Bourne, and Korn Shell
Scripting for Programmers, System
Administrators, and UNIX Gurus
Second Edition
Randal K. Michael
Wiley Publishing, ... exist.
Running a Shell Script
A shell script can be executed in the following ways:
ksh shell_ script_name
will create a Korn shell and exe cute the shell_ script_name in the newly created
Korn shell environment....
... that outputs it in seconds.
seconds_since_epoch=`echo "($days_since_epoch*86400)+\
($hour*3600)+($minute*60)+ $second& quot; | bc`
The calculation to convert from days to seconds is fairly ... as a supple-
mentary reference to a more traditional shell- scripting training guide. But there is a difference
between learning English as a second language and learning how to apply sarcasm. ... diverse set
of examples that demonstrate the many uses of the test shell programming structure.
The Basics of Comparisons
In UNIX shellscripting there are both internal operators that allow you to...