Visão Geral

Este Curso Linux Foundamental, em Sistema Operacional Linux e Programação Bash Shell apresenta ao delegado os principais conceitos do Sistema Operacional LINUX. Os comandos mais comumente usados ​​são descritos em detalhes, assim como o curinga da linha de comando e os recursos de redirecionamento. Os mecanismos pelos quais um usuário adquire um ambiente de login são discutidos e os principais recursos do shell Bash são apresentados.

Este Curso Linux Foundamental, foi elaborado para proporcionar aos participantes experiência prática no desenvolvimento e escrita de scripts shell. A maioria dos comandos internos do shell Bash são introduzidos junto com as principais estruturas de controle do programa. Este curso não é adequado para programadores C shell.

Da mesma forma, o curso tem como objetivo seguir de perto o currículo oficial do Linux Professional Institute (LPI) para certificação.

Exercícios e exemplos são usados ​​ao longo do curso para proporcionar experiência prática com as técnicas abordadas.

Objetivo

Fornecer as habilidades necessárias para trabalhar produtivamente em um ambiente LINUX para desenvolver e personalizar programas shell.

Publico Alvo

• Programadores,
• administradores e pessoal de suporte que precisam entender o sistema operacional LINUX, shellscripts existentes, automatizar procedimentos e escrever seus próprios utilitários.

Pre-Requisitos

Não há pré-requisitos formais para este curso de treinamento de Fundamentos do Linux, embora seja necessária uma compreensão e exposição à tecnologia da informação e uma compreensão dos sistemas operacionais.

Materiais

Conteúdo Programatico

INTRODUCTION TO THE LINUX OPERATING SYSTEM

1. A brief history of UNIX / Linux
2. The UNIX / Linux kernel
3. The UNIX / Linux file system structure
4. File and directory management commands
5. Absolute vs Relative Pathnames
6. Further basic commands
7. Exercise: Navigating the file system

BASIC COMMANDS

1. Command line syntax
2. Basic file handling commands
3. Basic Directory handling commands
4. Filename wildcard characters
5. Using commands with logical AND and OR
6. Sequential command execution
7. Exercise: Manipulating files and directories

REDIRECTION AND PIPES

1. Input and Output redirection
2. Redirecting errors
3. Piping commands
4. Exercise: Using redirection and pipe facilities

INTRODUCTION TO THE VI/VIM EDITOR

1. Overview of the vi/Vim editor
2. The language of vi
3. Undoing and Redoing changes
4. Input Mode and Last Line Mode
5. Further vi functions
6. Executing commands within vi / Vim
7. Customising the vi / Vim Environment
8. Getting Help
9. Exercises: Using the vi editor

SEARCHING AND REPLACING TEXT

1. Searching and replacing text using the vi/Vim editor
2. Using regular expressions (regex)
3. Using sed for search and replace
4. Searching for text with grep,egrep and fgrep
5. Exercises: Searching and Replacing Text

RECALLING AND EDITING COMMANDS

1. Overview
2. The bash shell
3. The korn shell
4. Exercises: Recall and Edit Commands

FILE PERMISSIONS AND ACCESS CONTROL

1. Users and user groups
2. File access permissions
3. Changing file attributes
4. Switching users and user groups
5. Linking files
6. Exercise: Setting and access permissions

FILTERING AND FORMATTING TEXT

1. Overview
2. The paste command
3. The cut command
4. An introduction to awk
5. The nl command
6. Exercises: Filtering Text

PROCESSES

1. What is a process?
2. Monitoring processes
3. Killing processes
4. Background processes
5. Job Control
6. Grouping commands
7. Exercise: Monitoring and controlling processes

THE USER ENVIRONMENT

1. Customising the .profile or .bash_profile
2. Customising the .kshrc or .bashrc
3. Exercise: Setting up an environment

MORE BASIC COMMANDS

1. The find command
2. Using xargs command
3. The locate command
4. The df command
5. The cut command
6. The sort command
7. Finding duplicate content
8. Number sequencing
9. Exercise: More Basic Commands

UNIX COMMAND REVIEW

1. Basic Unix commands
2. General commands
3. File and directory handling commands
4. Filename generation characters and regular expressions (regex)
5. I/O Redirection features
6. Other commands

GETTING STARTED

1. What is a shell script?
2. Development guidelines
3. Creating and editing shell scripts
4. Naming and storing shell scripts
5. Executing shell scripts
6. Exercise: Write a simple shell script

USING VARIABLES

1. Environment variables
2. Local variables
3. Assigning values to variables
4. Assessing variable values
5. Using quotes
6. Delimiting variable names
7. Echo control sequences
8. Exercise: Add variables to a script

INTEGER ARITHMETIC

1. Using the expr command
2. Using the (( )) notation
3. Exercise: Add integer arithmetic to a shell script

HANDLING RUN TIME DATA

1. The read command
2. Command line arguments
3. Exercise: Writing a generic shell script
4. Exercise: Writing an interactive shell script

CONDITIONAL EXECUTION

1. The if statement
2. The test command
3. Exercise: Adding validation to previous scripts

ADDITIONAL KORN,BASH & POSIX SYNTAX

1. Other test notations
2. Default and substitute variables
3. Exit status codes
4. Exercise

LOOP CONSTRUCTS

1. The while loop
2. The until loop
3. The for loop
4. The while true and until false loops
5. Loop control commands
6. Exercise: Enhancing the previously written scripts
7. Exercise: Writing a script to copy files using a 'for' loop
8. Exercise: Writing a script to generate numbers with the 'while' loop

MULTI-BRANCH DECISIONS

1. The case statement
2. Menu driven applications
3. Exercise: Developing and writing a menu system

FUNCTIONS

1. What is a function?
2. Syntax
3. Examples
4. Exercise: Add a function to a script

INTERRUPT HANDLING

1. Interrupt signals
2. Trapping interrupts
3. Exercise: Adding traps to the menu script

ADDITIONAL FEATURES AND FACILITIES

1. The exec commands
2. The includes notation
3. More about loops
4. Arrays
5. Here Documents
6. Exercise: Create a here script