Study companion

Book notes for people who actually want to remember things

Use these notes to turn chapters into commands, diagrams, checklists and small labs.

Companion guides

Study notes

These pages help readers extract practical value from longer books and manuals.

Chapter-style notes with commands to practise after reading The Linux Command Line.

A practical route through commits, branches, remotes and recovery using Pro Git.

A topic-by-topic companion for processes, boot, networking, storage and logs.

A sane route through the Bash manual, because reading it straight through is heroic but unnecessary.