Learn
Subjects, not articles.
An article tells you a thing once. These ask you about it tomorrow, and again next week, and keep asking the ones you get wrong. 53 cards, 295 questions, and a record of what you actually know that follows you between devices.
SAA-C03 / 5 phases
AWS Solutions Architect
The certification syllabus as a set of decisions rather than a list of services.
- Cards
- 25
- Questions
- 156
- Code Qs
- 0
- Multi
- 22
Domain-weighted mock sittings with an honest scaled score.
Open subject →ground up to senior / 5 phases
Bash, properly
The shell as a language with rules — expansion order, quoting, what set -e really does.
- Cards
- 28
- Questions
- 139
- Code Qs
- 53
- Multi
- 9
Half the questions carry a code block: "what does this print".
Open subject →Exam simulation
Linux Quiz
Full-length, domain-weighted sittings modelled on the Linux+, LPIC-1 and senior Linux engineer blueprints — scored per domain — plus levelled practice with a timer or without.
Open the quiz →One lesson is one idea, about four minutes, one screen at a time. The same fact gets harder as you get better — pick it, then build it from pieces, then type it from memory. Whatever you miss comes back tomorrow.