Intermediate Linux | Shell, Bash, Text Manipulation, Multitasking & More

At Course Completion

This skills-focused course combines expert instructor-led discussions with practical hands-on labs that emphasize useful, current techniques, best practices and standards. Working in this hands-on lab environment, guided by our expert practitioner, you’ll learn about and explore:

· Review of the File System

· Introduction to Shells: sh, bash, and ksh

· Shell Programming

· Advanced Shell Features

· Text Manipulation Utilities

· File Processing Utilities

· Multitasking and Batch Processing

· Regular Expressions

Audience Profile

This is an intermediate-level course for attendees with basic Linux experience. Attendees should have experience with common UNIX/Linux user-level commands, such as moving, copying and editing files. Experience with the vi editor is a plus.

Prerequisites

Attendees should have experience with common UNIX/Linux user-level commands, such as moving, copying and editing files. Experience with the vi editor is a plus.

· TTLX2103 Introduction to Linux Basics | Linux Essentials JumpStart – 3 days

Outline

1. Review of the File System

· File System Organization

· File Types

· File and Directory Naming Rules and Conventions

· Commands for Navigating the File System

· Introduction to Inodes

· Ownership, Permissions, and Dates

· Manipulating Files and Links

· Manipulating Directories

· Determining Disk Usage

· Other File System Utilities

2. Introduction to Shells: sh, bash, and ksh

· Shell Functions

· I/O Redirection and Pipes

· Command Separation and Grouping

· Background Execution

· Filename Expansion

· Shell Variables

· Command Substitution

· Quoting and Escaping Metacharacters

· Bash Shell Features

· Korn Shell Features

· Command Execution

· Startup Files

· Customizing the User Environment

3. Shell Programming

· Shell Script Features and Capabilities

- Creating and Running a Script

- Working With Variables

· Environment Variables

· Working With Data Types

- Formatting

- Base Conversion

- Setting Special Attributes

· Input/Output Techniques

· Conditional Constructs

- if/then

- else/elif

· Looping Constructs

- for, while, until

· Math Operators

4. Advanced Shell Features

· Manipulating Strings

· Writing and Calling Functions

· Controlling Process Priorities

· Interpreting Command Line Arguments

· Making Scripts Interactive

· Special Shell Variables

· Advanced I/O with Streams

· Improving Performance of Scripts

5. Text Manipulation Utilities

· Editing a File from a Script

· Scripting with ed or sed

· UNIX and Linux Utilities to Manipulate Files

· Regular Expressions

· grep and egrep

· The Stream Editor sed

· Sorting in Scripts

· Generating Reports with awk

· Splitting Large Files

· Counting Words, Lines, and Characters

· Transforming File Contents

6. File Processing Utilities

· Examining and Comparing Files

· Reporting Differences Between Files

· Comparing Files of Any Format

· Displaying Data in Octal and Hex

· Compressing Data

· Converting File Formats

· Extracting Text Strings

7. Multitasking and Batch Processing

· Multitasking

· Scheduled Execution Using cron

· The at and batch Commands

8. Regular Expressions

· Regular Expression Overview

· Regular Expression Implementations

· Regular Expressions

· RE Character Classes

· Regex Quantifiers

· RE Parenthesis