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Bash Programming Course

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  1. Home
  2. Courses
  3. Programming
  4. Bash
  5. Bash Programming

Bash Programming Course

 

Overview

This 3-day course provides a thorough introduction to bash programming by covering topics like shell variables and functions, the login process, using arrays with loops, and debugging techniques such that by the end of the course, students will be able to take full advantage of the bash shell.

Audience

Linux or UNIX users, programmers, and system administrators.

Prerequisites

Fundamentals of Linux

Course Outline

Linux Processes

  • What is a Process?
  • Process Structure
  • The ps Utility
  • Options to the ps Utility
  • Background Commands (&)
  • Killing Background Processes
  • Redirecting the Standard Error

Getting Started

  • What is a Shell?
  • Running Scripts
  • Specifying the Script’s Interpreter
  • The PATH Environment Variable
  • Sub-shells

Variables

  • Shell Variables
  • The read Command
  • The export Command
  • The Shell Environment
  • Parameter Expansion
  • Command Substitution

The Login Process

  • The Login Process
  • The System Profile Script
  • Your .bash_profile Script
  • The . Command

Conditional Statements

  • The Exit Status of Commands
  • Command Line Examples
  • The test Command
  • The if-then-else Construct
  • The elif Construct
  • case Statements

Loops

  • The for Loop
  • The while Loop
  • break and continue
  • Reading Lines From Files
  • Using Arrays with Loops

Special Variables

  • $$ - PID of Shell
  • Command-Line Arguments
  • $# - Number of Arguments
  • $* - All Arguments
  • The shift Command
  • The set Command
  • Getting Options

Quoting Mechanisms

  • Single vs. Double Quotes
  • What is a Here Document?
  • Using a Here Document
  • Here Document Quoting
  • Ignoring Leading Tabs

Functions

  • Shell Functions
  • Passing Arguments to Functions
  • Returning Values from Functions
  • Function Declarations

Advanced Programming

  • Shell Arithmetic
  • The select Statement
  • Terminal Independence in Scripts
  • The eval Command

Debugging Techniques

  • Using echo
  • Using Standard Error
  • Script Tracing
  • Options for Debugging
  • Conditional Debugging

 

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XLBASH

Attend hands-on, instructor-led Bash Programming training classes at ONLC's nationwide locations. Not near one of our locations? Attend these same live classes from your home/office PC via our Remote Classroom Instruction (RCI) technology.

For additional training options, check out our list of Bash Courses and select the one that's right for you.

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