Linux Bash Shell Programming training course

Who should attend

System / Network administrators and support people, programmers and prospective Linux power users, looking to harness the power of task automation through shell scripting.

Prerequisites

Attendance of our Introduction to Linux training or equivalent experience (especially with vim).

Live, instructor-led online and on-site training

We appreciate that you need flexibility to fit in with new working situations - whether you're an individual, part of a distributed team, or simply have projects and deadlines to meet. 

Our remote training can take place online in a virtual classroom, with content split into modules to accommodate your scheduling challenges and meet your learning goals. Get in touch today to find out how we can help design a cost-effective, flexible training solution.

As soon as it's safe, we'll return to also offering the on-site custom training courses and programmes upon which we've built our reputation.

Syllabus

Introduction to bash

Refresher of the basics

• The command structure
• Here documents
• Job Control

The bash Environment

• Environment Variables
• Using Command History
• Bash Variables

Creating and executing bash scripts

• Debugging bash scripts

Processing command-line parameters

• Standard command line flags and options

Commenting your scripts

• When and why you should

Statements

• The read statement
• Conditional statements (if, case and select)
• The test, [ ... ] and commands
• The let and (( … )) command
• The exit, break and continue statements

Operators

• Testing strings and numbers
• The declare command
• Creating loops (for, while and until)

Arrays

• Declare simple bash array
• Handling arrays

Options and Arguments

• The getopts command

Functions

• When and how to use a Function

Using the “trap” command

• Cleaning up