How to open Terminal on Mac and use itHow to open Terminal on Mac with Spotlight or Finder, open it at a folder, run the first safe commands and stop a command with Control-C.
How to downgrade macOSHow to downgrade macOS to an earlier version: get the installer, make a bootable USB drive, erase the Mac, install and restore your files.
How to create a folder on MacHow to create a folder on Mac: File › New Folder or Shift-Command-N, a folder on the desktop, New Folder with Selection, and why New Folder is dimmed.
How to clear temporary files on MacWhat temporary files are on a Mac, how to clear them safely (a restart does most of it) and which temp folders you should never delete by hand.
How to install a DMG file on Mac: MacWashing as an exampleHow to install a DMG file on Mac step by step, using MacWashing: open the disk image, drag the app to Applications, first launch and Full Disk Access.
How to factory reset a MacHow to factory reset a Mac: what to do first, Erase All Content and Settings on newer Macs, and the Recovery way for older Intel Macs.
How to delete Ollama models on MacHow to delete Ollama models on a Mac with ollama rm, see which models take space, stop a running model and find where models are stored.
How to boot Mac in safe modeHow to boot a Mac in safe mode on Apple silicon and Intel, how to tell it worked, what safe mode does and how to leave it.
Why is my Mac so slow? Check the disk firstWhy is my Mac so slow or slow to start up? Most often the disk is nearly full. How to check free space, login items, memory and the disk itself.
docker system prune: How to clear Docker cache on MacHow docker system prune clears Docker cache on a Mac, how to delete Docker images and build cache, and what to do so you don’t lose volumes.
How to record audio on MacHow to record audio on Mac for free with QuickTime Player or Voice Memos, how to choose the microphone, and what to do to record the Mac’s own sound.
pnpm store prune: how to clear pnpm cache on MacHow to clear pnpm cache on a Mac with pnpm store prune, where pnpm keeps its store and cache, and what to do with store folders of older pnpm versions.
How to delete files on MacHow to delete files on Mac: Move to Trash with Command-Delete, delete a file right away without the Trash, and what to do when a file won’t delete.

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