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Products that do what I wrote an eBook on Linux CLI tools and Shell Scripting does
Hello! This ebook aims to teach Linux command line tools and Shell Scripting for beginner to intermediate level users. The main focus is towards managing your files and performing text processing tasks. Includes plenty of examples, exercises (200+) and solutions. To celebrate my latest ebook release, you can download PDF/EPUB versions of Computing from the Command Line for FREE till 08-Nov-2022: https://learnbyexample.gumroad.com/l/cli_computing (the web version linked as the post url is always free) All books bundle (all my 13 programming ebooks) is $10 (normal…
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Hi, I recently published my ebook on GNU awk one-liners [1]. It starts from the basics of awk syntax and then discusses one-liner examples. There's a chapter on regular expressions as well. The github repo has the details on how to get the PDF version, all the example files and code snippets used in the book, sample chapters as well the markdown source used to generate the PDF. I made all my ebooks [2] free last month amidst the pandemic fears. These include GNU grep & ripgrep, GNU sed and three books on regular expressions (Python, Ruby, JavaScript). I'd appreciate your feedback and hope…
2020
- 2IW
TLDR: I wrote a handbook for the Linux command line. 120 pages in PDF. Updated for 2025. Pay what you want. A few years back I wrote an ebook about the Linux command line. Instead of focusing on a specific shell, paraphrasing manual pages, or providing long repetitive explanations, the idea was to create a modern guide that would help readers to understand the command line in the practical sense, cover the most common things people use the command line for, and do so without wasting the readers' time. The book contains material on terminals, shells (compatible with both Bash and Zsh),…
2025 · commandline.stribny.name
- 3CL
2021 · learnbyexample.github.io
- 4TC
Looking to get some feedback from the Hacker News community. I wrote the book with a focus on penetration testers and red teamers, but there are great examples for network admins, developers, and blue team defenders as well. You can pick up a copy for free here through May 19, 2019: https://gumroad.com/l/the_cyber_plumbers_handbook/hackernews... Please note, because it's hosted on Gumroad, it does require an email. If you don't want to give out your actual email, check out an anonymous email service. I give it away to students for free, so if you know of one that…
2019
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- 6CF
I've always thought that extensive reading was best suited for the realm of paper. As a result, I've created a command-line interface (CLI) tailored for my own use and decided to make it open source. I welcome any feedback you may have. [Edit] Sample PDF :: https://drive.google.com/file/d/1n7M1TKOptSsYiibrbvV_Yojx53T...
2024 · github.com
- 7IW
The book page links to a blog post that explains how I got about it (and has a link to sample content), but the TL&DR is that I could not find a lot of books that were on "our" history _and_ were larded with technical details. So I set about writing one, and some five years later I'm happy to share the result. I think it's one of the few "computer history" books that has tons of code, but correct me if I'm wrong (I wrote this both to tell a story and to learn :-)). My favorite languages are Smalltalk and Lisp, but as an Emacs user, I've been using the latter for much longer and for my…
Feb 2026 · berksoft.ca
- 8IW
My book on "GNU grep and ripgrep" is free to download today and tomorrow [1][2] Code snippets, example files and sample chapters are available on GitHub [3] The book uses plenty of examples and regular expressions are also covered from scratch. The book is suitable for beginners as well as serves as a reference. Hope you find it useful, I would be grateful for your feedback and suggestions. I used pandoc+xelatex [4] to generate the pdf. [1] https://gumroad.com/l/gnugrep_ripgrep [2] https://leanpub.com/gnugrep_ripgrep [3]…
2019
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Last month, I started learning a Python TUI framework called Textual. After working on a 4x4 board game, I made an interactive app to test your CLI text processing skills with 40 beginner to intermediate level exercises. The app is fairly basic in terms of features — only single input file, so no stdin data, multiple files, etc. Most of the exercises in this app is based on my Computing from the Command Line ebook (https://learnbyexample.github.io/cli-computing/preface.html). I hope to improve the TUI app to support all the 200+ exercises sometime next year.
2022 · github.com
- 10LS
Kicked my course off today - grep101.com - with lessons starting Monday. I think I've got the pricing right to attract a good class of keen learners for this first run through...
2012
- 11PP
Hi everyone! I just released the Practical Python Projects book! (https://practicalpython.yasoob.me) I am happy to announce the first version as a release candidate. I have poured a lot of love into writing this book and would love to hear what you guys think. (A limited 100% off and discount coupons at the end) This is not a pure beginner book. The book does assume some background Python knowledge. You need to know the basics like methods, functions, classes, and such. If I use something that is not typically covered in beginner Python books, I will explain it before I use it.…
2021 · practicalpython.yasoob.me
- 12GA
I was constantly googling CLI commands so I built this small CLI tool with GPT3. You can ask for shell commands right from the CLI. You'd need to use your own API KEY for this but it's pretty simple, instructions are in the README Not perfect but not bad either.
2022 · github.com
- 13AF
I was working on this for a year. More than 80 completely free videos alongside a free booklet for LPIC1 preparation or to be be used anyone who wants to learn more about GNU/Linux. Feedbacks are more than welcomed.
2023 · linux1st.com
- 141P
2021 · learnbyexample.github.io
- 15

- 16IW
Hey HN, I wrote a short book about the fundamental aspects of Clojure. The target audience is programmers with at least minimal experience who want to learn how to express solutions in Clojure (and perhaps in LISP, generally). If the price is a bit too steep for you, send me an email (address in bio), and I'll provide a discount coupon. If you can't afford it all, and believe the material may help you for studying or interview preparations, I can send you a free copy.
2025 · leanpub.com
- 17PP
2021 · learnbyexample.github.io
- 18DF
2015 · devfreebooks.org
- 19MS
I have finally convinced my son to take a step forward to publish something in public domain. As he is learning Python these days, he made a scraper to download Cambridge past papers (GCSE / IGCSE). If you like it, encourage the kid by pressing the Star button :) https://github.com/UsamaKashif/CambridgePastPapersDownloader
2019
- 20IW
2013 · yourfirstiosapp.com
- 21FA
Hey Friends, I always considered doing a show HN about this but never took the jump but since we're in the Show HN carnival I decided to share it. I wrote a free and open source quick guide to teach Firefox OS application development. With this ebook you go from zero to a little application in the Firefox Marketplace. https://leanpub.com/quickguidefirefoxosdevelopment/ I created this to give away at hackathons and hack days because the Mozilla docs were spread all over the developer hub, mdn and the wiki so it was hard for new developers to find what they needed. The…
2014
- 22IB
You know that old TI calculator you used in high school, then put in a box and forgot about? Have you ever wished you had an operating system for your calculator with preemptive multitasking, dynamic memory management, a tree filesystem conforming to the FHS, and all the comforts of Unix? Well, good news: that's totally a thing that exists. I've been working on my kernel for about three and a half years now and I'm looking for new contributors to help out. It's written entirely in z80 assembly, and it's both challenging and fun to work on. There's an IRC channel for contributors or people…
2014
- 23TC
Hi HN, I'm thrilled to share with you think, a command-line tool that I developed while diving back into the programming scene. For the past few years, my focus had shifted from hands-on programming to managerial roles, my last one being at Affirm (I started Affirm's Polish office). However, I recently left my job to revisit my passion for coding and see if I could still write code that works. Not to mention that with what is currently going on in AI if you are a developer this probably the best possible time for a sabbatical in human history :) My first attempt was with LangChain, but I…
2023 · github.com
- 24CO
First tutorial to date. Writing your first C program, includes a link at the bottom with a detailed look at printf() as optional reading. I would love some feedback, as I intend writing up a lot of dev articles for people to learn from : www.xanthu.com/first-c-program
2013
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