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Introduction to Bash Programming Training

  • Training Duration:
  • 3 Days
  • Training Environment:
  • On-site at the Institution
  • In DVA Classrooms
  • Online
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About the Training

The Introduction to Bash Programming Training is designed to introduce Bash, a powerful and flexible scripting language used in Unix and Unix-like operating systems. Bash is widely utilized by system administrators, software developers, data scientists, and professionals in technical fields. Additionally, the features of Bash are highly appreciated by researchers and data analysts, as it allows them to process and analyze large datasets quickly and efficiently.

Bash operates through the command-line interface, making it extremely useful for tasks such as large-scale data processing, file manipulation, system management, and automation. Bash scripts are often automated to perform specific functions, making them ideal for automating and simplifying repetitive or time-consuming tasks.

The Bash programming course covers not only the fundamental structures and features of the language but also more advanced topics such as script interaction, debugging techniques, and best practices. Furthermore, Bash supports integration with popular languages like Python, Ruby, and others, providing a more powerful and flexible programming experience.

Given its widespread use in Unix and Unix-like systems, Bash is considered an essential skill, especially for Linux system administrators, network engineers, and IT professionals. The structures and syntax of Bash are user-friendly and easy to learn, making it ideal for beginners.

In conclusion, the Introduction to Bash Programming Training teaches a valuable skill in technology fields such as big data processing, data science, and artificial intelligence. Learning and applying Bash offers numerous opportunities for those considering a career in these areas. Moreover, Bash’s integration capabilities allow developers and data scientists to combine various languages and tools to create more complex and capable applications. In short, learning Bash programming is crucial for developing a broad and diverse skill set in the technology sector.

What Will You Learn?

In the Introduction to Bash Programming training, participants will learn the following:
  • Introduction to Bash Programming: Understanding the basic concepts of Bash programming and the principles of script writing.
  • Command Line Interface: Participants will learn how to write and execute scripts in the command line interface.
  • Variables: Learning how to define and use variables in Bash scripts.
  • Operators and Expressions: Understanding how to use operators and expressions in Bash scripts.
  • Control Structures: Participants will learn how to use control structures in Bash scripts to make them more flexible and effective.
  • File Operations: Learning how to perform file operations within Bash scripts.
  • Functions: Participants will learn how to define and use functions in Bash scripts.
  • Standard Input/Output and Error Redirection: Learning how to use standard input/output and error redirections in Bash scripts.

Prerequisites

The prerequisites for the Introduction to Bash Programming training are as follows:
  • Command Line Usage: Participants should have the ability to use the command line in a Unix-like operating system.
  • Programming Knowledge: It is preferred that participants have a basic understanding of programming concepts and the ability to write code in a programming language.
  • System Administration Knowledge: It is preferred that participants have a basic understanding of system administration concepts in Unix-like operating systems.
These prerequisites help ensure that participants can maximize their learning experience and better understand the course content, though they are not mandatory.

Who Should Attend?

The Introduction to Bash Programming training is suitable for the following individuals:
  • System Administrators: System administrators who manage Unix-like operating systems can benefit from this training.
  • Developers: This training is designed for developers who want to write shell scripts on Unix-like operating systems.
  • Operating System Users: Operating system users who want to manage data, configure files, and perform other tasks from the command line using shell scripts may find this training useful.
  • University Students: University students studying computer engineering, system administration, or related fields can benefit from this training.
This training is ideal for anyone with a basic understanding of Linux and Unix-like operating systems who wants to learn how to write shell scripts on these systems.

Outline

Unix 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
  • Bash Programming
  • Using Standard Error
  • Script Tracing
  • Options for Debugging
  • Conditional Debugging

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