Practice

Quizzes, shell golf and a daily puzzle.

Bash, properly

Ground up to senior in 28 short cards. Read one, answer five, move on.

  • 139 questions, most "what does this print"
  • The expansion pipeline, one stage per card
  • Code review drills
Start Learning

AWS Solutions Architect

The whole SAA-C03 syllabus as 25 short cards. Read one, answer five, move on.

  • 125 scenario questions
  • Domain-weighted mock exams
  • Progress and weak-spot drilling
Start Studying

Linux Quiz

247 questions across 4 skill levels, from basic commands to system administration.

  • 4 difficulty levels
  • Detailed explanations
  • Progress tracking
Test Knowledge

Shell Golf

Code golf for bash. Write the shortest command that solves the problem.

  • Creative problem solving
  • Bash optimization techniques
  • Community solutions
Play Shell Golf

Daily Terminal Puzzle

One command-line puzzle a day.

Solve Today's Puzzle

Distro Picker

A short quiz that suggests a distribution based on how you answer.

Take the Quiz