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Working with files, terminal and AI on a Mac.
Brew install git: replace the copy Xcode handed you
Brew install git puts git 2.55.0 in the Homebrew prefix, but the copy at /usr/bin/git is a shim and PATH order decides which one answers. What to check.
AFP file sharing on a Mac: what to use now that it is gone
AFP file sharing on a Mac no longer has a client in macOS. What replaced it, how to check which protocol a mount really uses, and how to move a NAS or Mac share to SMB.
An AI file organizer on a Mac: what to let it move and what not
Choosing an ai file organizer for a Mac: which folders are safe to hand over, why undo matters more than accuracy, and when a plain rule beats a model.
AirDrop not working from iPhone to Mac: what to rule out first
AirDrop not working from iPhone to Mac is usually a condition that is not met, not a broken radio. The order to check, the code rule added in macOS 26.2, and where the prompt hides.
Ask AI to summarize a PDF: what survives and what gets dropped
Before you ai summarize pdf reports, know what a summary systematically loses: numbers, conditions and exceptions. How to ask for structure and verify it fast.
The Apple Preview app: how far it goes before you need more
The Apple Preview app opens 58 registered file types and signs PDFs, and the useful question is where its ceiling sits. What it covers, what it omits, and the tools already installed beside it.
Auto mount a network drive on a Mac: ready at every login
Mac auto mount network drive, four ways: Login Items, AppleScript, a launchd agent and autofs, with the failure mode each one really has on a laptop.
The best local LLM for coding: what to measure before you switch
The best local LLM for coding depends on memory, context length and your own tasks. Here is what to measure on your Mac before downloading 19 GB.