linux command line and shell scripting video tutorial ebook
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Tài liệu Beginning the Linux Command Line [Apress 2009] ppt
Ngày tải lên :
10/12/2013, 14:15
... 1
Starting Linux Command- Line
Administration
T
o unleash the full power of Linux, as a Linux administrator you will spend most of your time
typing commands on the Linux command line, the so-called shell ... OF ITS
most important and most useful features.
Commands, Options, and Arguments
A Linux command normally consists of three parts: the command itself, the command
options, and its arguments. For ... source code of the command.
/PTIONS ARE VERY SPECIFIC TO THE COMMAND YOU USE 3OME COMMANDS DONT HAVE ANY OPTIONS
and other commands can have more than 50. The i]j command normally gives you...
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The Linux Shell and BASH Scripting
Ngày tải lên :
24/06/2013, 01:25
... 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 ...
Objectives
Objectives
Identify differrent Linux shell environments
Understand the redirection of input
Understand and utilize command substitution
Write and configure BASH script using
variables, ...
while
while
and
and
until
until
loop
loop
Syntax :
while <condition>
do
#list of commands to do
done
until <condition>
do
#list of commands to do
done
The Saigon CTT
Shell...
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Tài liệu Linux Shell Scripting Tutorial Ver.1.0 docx
Ngày tải lên :
24/01/2014, 02:20
... 2 command line argument -a and /* is 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 ... of 5) [17/08/2001 17.42.02]
Shell Arithmetic❍
Command Line Processing (Command Line Arguments)❍
Why Command Line arguments required❍
Exit Status❍
Filename Shorthand or meta Characters (i.e. ...
Programming Commands
echo command
Decision making in shell script ( i.e. if command) ❍
test command or [ expr ]❍
Loop in shell scripts❍
The case Statement❍
The read Statement❍
●
More Advanced Shell...
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Accepting Command-Line Options, Switches, and Parameters
Ngày tải lên :
05/10/2013, 08:51
... this command uses the value of the LOGNAME variable for the echo com-
mand, and sets the value of username to the value of LOGNAME.
32
CHAPTER 5
■
ACCEPTING COMMAND- LINE OPTIONS, SWITCHES, AND ... starts this line is a valid shell command that performs no
active task. In this syntax it simply expands any arguments that may follow it on the line.
In this case we simply want to expand the ... another switch, and perform a netstat -a with yet
another. This is much like creating a set of command- line aliases to save time by reducing
keystrokes for commonly used commands and utilities.
Most...
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Command-Line Editing and History
Ngày tải lên :
05/10/2013, 08:51
... available in both shells, that increases your efficiency at the com-
mand line is command and file completion. With this feature, you can start to type a path
or command, and once you’ve typed ... Pressing Enter then executes the command.
100
CHAPTER 15
■
COMMAND- LINE EDITING AND HISTORY
When you enter command mode you start at the bottom of your history and press the
K key to move back ... history list. Once you have found the desired command, you can make any
appropriate modifications and press Enter to run the command.
One last command- history function that has been extremely...
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Scripting from the Command Line
Ngày tải lên :
05/10/2013, 08:51
... (mistyped) command in
your history and then edit the command sequence using vi-style command- line editing.
You can also recall a previously entered miniscript for easy modification and reuse.
1. ... by using a command call within back-ticks (` `). A command string enclosed
within back-ticks denotes not the given string, but the string obtained by evaluating the
command string and replacing ... and reuse.
1. To read a file line- by -line where the lines contain more than a single “word,” refer to Chapter 10.
104
CHAPTER 16
■
SCRIPTING FROM THE COMMAND LINE
concurrent package installation...
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FreeBSD and Command Line Tools
Ngày tải lên :
19/10/2013, 01:20
... here.
Using ping and arp from the Command
Line
In chapter 9, we looked at the ping and arp
commands. These are available from the web
interface but they are also available from the
command line. To ping ... functions (and
more) that are available in the web interface are
available on the command line.
Each different type of RAID level (RAID 0, RAID 1,
and so on) uses a different command as it is ... TERM (signal
Chapter 10. FreeBSD and Command
Line Tools
FreeBSD is the bedrock of the FreeNAS server. In
this chapter, we will look at some simple FreeBSD
commands and also some fundamental FreeBSD
administration...
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Tài liệu Linux Shell Scripting Cookbook pdf
Ngày tải lên :
21/02/2014, 19:20
... important command, and you may not always
want to run the command using the alias. We can ignore any aliases currently dened by
escaping the command we want to run. For example:
$ \command
The ... reports, sending mails, and so on. There are
numerous commands on the GNU /Linux shell, which are documented but hard to understand.
This book is a collection of essential command- line script recipes ... that expand to system parameters. For example,
\u expands to username, \h expands to hostname, and \w expands to the current
working directory.
www.it-ebooks.info
Chapter 1
9
This command gives...
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EMBEDDED LINUX SYSTEM DESIGN AND DEVELOPMENT.pdf
Ngày tải lên :
04/08/2012, 14:23
... Understand and create Linux BSP for a hardware platform.
Ⅲ Understand the Linux model for embedded storage and write drivers and
applications for the same.
Ⅲ Understand various embedded Linux drivers ... embedded Linux environment. Some of the common problems are:
Ⅲ Understand the embedded Linux development model.
Ⅲ Write, debug, and profile applications and drivers in embedded Linux.
Ⅲ Understand ... creation, and
shared libraries in uClinux is given. The final section explains XIP and how
to port applications from standard Linux to uClinux. It also explains how to
build applications for uClinux.
Appendix...
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Expert Shell Scripting
Ngày tải lên :
20/08/2012, 13:59
... left square bracket ([) is both a command
internal to the shell and a system command (/usr/bin/[) that can be thought of the same
as the test command. The [ command has specific syntax that must ... entering the source command at the shell
prompt, as shown here. This command evaluates the commands in a file, which in the
case of our library places its resources inside the current shell environment. ... . . . . . . . 91
■
CHAPTER 15 Command- Line Editing and History
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
■
CHAPTER 16 Scripting from the Command Line
. . . . . . . . . . . . ....
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