Bash Scripting for System Administrators

Course Overview

Bash scripting is the most practical skill a Linux/cloud administrator can have. This course takes you from writing your first script to building production-grade automation tools. You will master variables, conditionals, loops, functions, arrays, string manipulation, regular expressions, file operations, process management, error handling, and best practices for maintainable scripts. Real-world examples include automated backups, user provisioning, log parsing, and cloud resource management scripts.

What You Will Learn

• Write clean, maintainable Bash scripts
• Automate system administration tasks
• Parse logs and process data with Bash pipelines
• Build error-resistant scripts with proper exit code handling
• Create reusable function libraries
• Deploy scripts safely in production environments

Course Modules

• Bash basics: shebang, variables, quoting and substitution
• Conditionals: if/elif/else, test operators, case statements
• Loops: for, while, until, loop control (break, continue)
• Functions: definition, arguments, return values, scope
• Arrays and associative arrays
• String manipulation: parameter expansion, sed, awk
• Regular expressions and grep/egrep
• File operations: reading, writing, parsing CSV and JSON
• Process management and background jobs
• Error handling: exit codes, traps, set -e/u/o pipefail
• Debugging: set -x, shellcheck, logging patterns
• Real-world automation projects
• Input validation and security best practices

Who Is This Course For?

This course is designed for professionals seeking practical, hands-on skills in Bash Scripting. Whether you are starting out or advancing your existing expertise, our structured approach and real-world labs prepare you thoroughly for both the workplace and certification exams.

Prerequisites

Foundational courses have no prior experience requirements. Intermediate and Advanced courses benefit from some prior exposure to the subject area — specific requirements are noted in the course overview above.

Delivery & Access

• Blended, online, onsite or on-demand delivery — your choice of format
• Hands-on labs with real environments
• Instructor Q&A support for 30 days
• Verified certificate of completion by BITA
• Study guides, practice questions and reference materials included

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