Reference index

28 entries

  1. 01

    Automating Games at CLI-Games

    Find the scriptable games, edit their durable Bash workspaces, run starter policies, compare results, and understand what current receipts and server proof mean.

  2. 02

    awk - Extract Columns and Transform Text

    Learn awk in 5 minutes. Extract columns from files, parse CSVs, and process text data without writing a script.

  3. 03

    Bureaucratic Nightmare: Getting Started

    Spoiler-light help for surviving the Department

  4. 04

    Capture the Flag (CTF)

    What CTF competitions are, how they work, and why they matter for learning security skills

  5. 05

    cat - Read Files in the Terminal

    Learn cat for displaying file contents. The simplest way to read files and start pipelines.

  6. 06

    Chess at CLI-Games

    Puzzles, vision training, blindfold mode, and AI opponents - all from the command line

  7. 07

    Chess Opening Principles - Stop Losing in the First 10 Moves

    Learn the 4 opening principles that separate beginners from intermediate players. No memorization required.

  8. 08

    Communication

    How to talk, visit, message, and curl other players on the network

  9. 09

    cut - Extract Columns the Simple Way

    Learn cut for extracting columns from text. Simpler than awk for basic field extraction.

  10. 10

    Daily Challenges

    One shared board per day, daily scores, and the commands that bring you back tomorrow

  11. 11

    Dial-Up Days: First Bot Walkthrough

    A spoiler-light walkthrough for getting your first bot back online in Dial-Up Days, from your bedroom to Cyber Grounds and back through the pager.

  12. 12

    Dial-Up Days: Getting Started

    Essential information for new players

  13. 13

    find - Locate Files by Name, Type, or Age

    Learn find to locate files anywhere on your system. Search by name, size, date, or type without memorizing your folder structure.

  14. 14

    Friends & Challenges

    The relationship system and how to challenge other players to games

  15. 15

    grep - Search for Text in Files

    Learn grep to search files for patterns. Find errors in logs, locate config values, and filter output instantly.

  16. 16

    head - See the First Lines

    Learn head for viewing the beginning of files. Quick previews and extracting top results.

  17. 17

    Keys & Hidden Unlocks

    How earned keys reveal commands, themes, shells, rooms, and hidden game modes

  18. 18

    sed - Find and Replace from the Command Line

    Learn sed for find-and-replace in files. Fix typos, transform text, and edit without opening an editor.

  19. 19

    sort - Put Lines in Order

    Learn sort for ordering text. Alphabetical, numerical, by column - essential for data analysis pipelines.

  20. 20

    tail - See the Last Lines

    Learn tail for viewing the end of files. Check recent logs and grab bottom results.

  21. 21

    Termiclanker: Player Base Walkthrough

    Build, test, deploy, discover, and raid a player-authored Termiclanker base with defensive and attacking shell scripts.

  22. 22

    The Accidental Series

    Medieval comedy crawlers in which a turnip farmer keeps stumbling into larger problems

  23. 23

    The Network

    Every player is a host on a shared network — identity, discovery, firewalls, and the infrastructure that ties it all together

  24. 24

    The Range: Live CTF

    How to enter The Range, work a live Linux target, submit flags, and follow the competition

  25. 25

    tr - Translate and Transform Characters

    Learn tr for character translation. Convert case, delete characters, decode ROT13 - all in one command.

  26. 26

    uniq - Count and Remove Duplicates

    Learn uniq for counting duplicates and finding repeated patterns. Essential for frequency analysis.

  27. 27

    wc - Count Lines, Words, and Characters

    Learn wc for counting lines, words, and bytes. Quick stats on files and pipeline output.

  28. 28

    Word-King

    An eight-word royal run guided by directional placement and a hidden theme