Learn GNU Tools - Expanded Project Guides
Generated from:
LEARN_GNU_TOOLS_DEEP_DIVE.mdThis folder contains deep-dive guides for each project in the learning path.
Overview
This sequence takes you from small stream-processing tools to a full shell and finally a Linux From Scratch build that uses your own utilities. The focus is on Unix fundamentals: file descriptors, syscalls, process control, text processing, and build automation.
Project Index
| # | Project | Difficulty | Time | Key Focus |
|---|---|---|---|---|
| 1 | my_wc - The Word Counter | Beginner | 1 weekend | Streams, state machines |
| 2 | my_cat - The Concatenator | Beginner | A few hours | Syscalls vs stdio |
| 3 | my_ls - The Directory Lister | Intermediate | 1-2 weeks | Metadata, permissions |
| 4 | my_grep - The Pattern Matcher | Intermediate | 1-2 weeks | Line parsing, regex |
| 5 | A Simple Shell | Advanced | 2-4 weeks | fork/exec, pipes |
| 6 | Linux From Scratch with Your Tools | Master | 4-8+ weeks | Toolchain, bootstrap |
Prerequisites
- Comfortable C programming (pointers, structs, memory, basic Makefiles)
- Familiarity with Linux command line and POSIX concepts
- Ability to read man pages and debug with
gdborlldb