Custom Shell Scripts

Tutorial – Shell Scripting

Article from Issue 219/2019
Author(s):

You do not need to learn low-level programming languages to become a real Linux power user. Shell scripting is all you need.

For most people, shell scripting is all you need to become a very, very powerful Linux user: Text processing, backups, image watermarking, movie editing, digital mapping, and database management are just a few of the many tasks where shell scripting can help you, even if you are just an end user.

This tutorial is the first installment in a series that explores why and how to write shell scripts – whatever your Linux needs and skills are.

No previous shell experience is necessary to use this tutorial. This installment describes what shell variables are, how the shell handles them, and some simple ways to use and process shell variables to get the job done. Before getting started, however, a brief introduction to a few fundamental concepts is necessary.

[...]

Use Express-Checkout link below to read the full article (PDF).

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

SINGLE ISSUES
Print Issues
Digital Issues
 
SUBSCRIPTIONS
Print Subs
Digisubs
 
TABLET & SMARTPHONE APPS
Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Tutorials – Shell Scripts

    Letting your scripts ask complex questions and give user feedback makes them more effective.

    more »
  • Bash Alternatives

    Don't let your familiarity with the Bash shell stop you from exploring other options. We take a look at a pair of alternatives that are easy to install and easy to use: Zsh and fish.

    more »
  • Shell Flow Control

    Knowing the right shell commands may be all the artificial intelligence you need to make your computer work for you.

    more »
  • Bash vs. Vista PowerShell

    Microsoft’s new PowerShell relies on .NET framework libraries and thus has access to a treasure trove of functions and objects. How does PowerShell measure up to traditional shells like Bash?

    more »
  • Bash Tuning

    In the old days, shells were capable of little more than calling external programs and executing basic, internal commands. With all the bells and whistles in the latest versions of Bash, however, you hardly need the support of external tools.

    more »
comments powered by Disqus