Bash

🐚 Bash Language Mastery

This repository is a complete learning resource for Bash scripting — from beginner-friendly commands to advanced automation and CI/CD techniques.

Every topic is structured into a dedicated markdown file, including command examples, flags, real use cases, and best practices.

Learn foundational Bash commands such as:

ls, cd, pwd, echo, cat, cp, mv, rm

File and directory handling

Manual pages and alias

Learn to manipulate text streams using:

grep, awk, sed, cut, sort, head, tail

Field extraction, search patterns, and formatting

Monitor your system using:

ps, top, df, du, free, kill, uptime

Process and memory tracking, disk usage

Bash for networking tasks:

ping, curl, wget, ssh, scp, rsync

Download, transfer, and remote connections

Work with archives and compression:

zip, unzip, tar

Secure and manage file access:

chmod, chown, chgrp

Write and manage shell scripts:

Syntax, variables, data types

Operators, conditionals, loops, functions, arrays

Task scheduling with cron

Topic	Description
`error-handling.md`	Error trapping, exit codes, `set -euo pipefail`
`debug-trap.md`	Debugging with `trap`, `set -x`, `DEBUG` tracing
`regex-patterns.md`	Use regex in Bash with `[[ =~ ]]`, `grep`, `awk`
`io-redirection.md`	Input/output, pipes, file descriptors
`concurrency.md`	Background jobs, `xargs -P`, parallel execution
`libraries-getopts.md`	Modular code, function libraries, `getopts` CLI parser
`shellcheck-ci.md`	Lint Bash with `shellcheck`, use CI with GitHub Actions

Clone it:

git clone https://github.com/KashifAlam407/Bash
cd Bash

Browse by topic:
- Open any .md file to read concepts and run examples.
- Scripts are written to run directly in any Bash environment.
Use as a reference:
- Perfect for beginners, sysadmins, DevOps engineers, or anyone automating tasks with Bash.

You are welcome to:

This project is licensed under the MIT License.

Made with ❤️ by Kashif Alam

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