Where will your curiosity take you?
Start with the basics. Build toward useful, independent tasks.
Typing
Start with hand placement. Build accurate, independent typing through 80 bilingual lessons.
Keyboard & text control
Move, select, and change text without losing your place.
Files & paths
Know where your work lives. Organize it, find it, and keep it safe.
Vim
Learn a precise, expressive way to edit text, through small real tasks.
Terminal & Linux
Navigate a workspace, work with files, and understand what commands do.
Text processing & pipelines
Combine small tools to turn a long log into a useful answer.
Git & version control
Review changes, save good versions, and recover work confidently.
SSH & remote computers
Know which computer you are using, verify it, and transfer a file safely.
Regular expressions
Describe a pattern, test your idea, and find exactly what you need.
SQL & querying data
Ask good questions of a dataset and check the answers.
Markdown
Turn rough notes into clear, useful documents.
Structured data & jq
Read, repair, and transform small sets of structured information.
Modern editor fluency
Find files quickly, make precise edits, and review what changed.
Spreadsheets
Build tables that calculate and still work when the numbers change.
Browser & search skills
Navigate pages, find information, and know where it came from.
Bash scripting
Turn a repeated file task into a small, careful automation.
Small Python tasks
Solve small problems with strings, lists, and functions.
HTTP & curl
Request information from a controlled service and inspect the response.
PowerShell
Work with objects and combine useful operations.
tmux
Organize terminal work into sessions, windows, and panes.
Permissions & processes
Inspect access and running work before making a limited change.
Network diagnostics
Use evidence to understand a controlled connection problem.
Developer environments
Make small projects reproducible and understand their surroundings.
Testing & debugging
Read a failure, make a small repair, and check another case.
Web-building microtasks
Make focused changes to small pages and forms.
Docker foundations
Inspect disposable containers and understand what is running.
LaTeX basics
Write clear mathematical expressions and fix small document errors.
Safety & recovery
Pause, inspect, act carefully, and verify. A habit in every track.
中文拼音打字
从零基础到独立中文输入。KeyHatch 内置全拼与简拼，不使用外部中文输入法。
The full catalog is preserved from the approved prototype. Preview tracks demonstrate representative interactions; their complete lessons and authentic runtimes are not yet released.