How to print screen on MacHow to print screen on Mac without a Print Screen key: Shift-Command-3, 4 and 5, where screenshots are saved and how to copy one to the clipboard.
Mac Wi-Fi not working: how to fix itMac Wi-Fi not working or connected without internet? Restart Wi-Fi and the router, rejoin the network, run Wireless Diagnostics, check VPN.
How to convert HEIC to JPG on MacHow to convert HEIC to JPG on Mac for free: one photo in Preview, many at once with Finder Quick Actions, from Photos, and how to make an iPhone shoot JPEG.
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.
npm cache clean: How to clear npm cache on MacHow to clear npm cache on a Mac with npm cache clean --force, why npm asks for --force, and how to clear the Yarn and pnpm caches.
How to split screen on MacHow to split screen on Mac: drag windows to the screen edges, use the green button or Fn-Control shortcuts, or open two apps in Split View.
How to select multiple files on MacHow to select multiple files on Mac: Command-click, Shift-click, Command-A and dragging a box, with a mouse or on a MacBook trackpad.
How to clear VS Code cache on MacHow to clear VS Code cache on a Mac: which folders are cache, which hold your settings, extensions and unsaved files, and how to delete the cache safely.
How to clear Mail cache on MacHow to clear Mail cache on Mac: see how much space Mail takes, erase deleted mail, limit attachment downloads, rebuild a mailbox and remove old accounts.
How to back up a MacHow to back up a Mac with Time Machine to an external drive, why iCloud Drive is not a backup, and how to restore with Migration Assistant.
cargo clean: how to clear the Cargo cache on MacWhat cargo clean deletes, how to clear the Cargo cache in ~/.cargo on a Mac, and how to free the space taken by target folders of old Rust projects.
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.
How to delete Pods and clear CocoaPods cache on MacHow to delete the Pods folder, clear CocoaPods cache with pod cache clean --all and remove the old master spec repo on a Mac without breaking your project.
How to switch between windows on MacHow to switch between windows on Mac: Command-Tab between apps, Command-` between windows of one app, Mission Control, App Exposé and Stage Manager.
How to merge PDF files on MacHow to merge PDF files on Mac for free: in Preview by dragging pages, with Edit › Insert, or in Finder with Quick Actions › Create PDF.
How to flush DNS cache on MacHow to flush DNS on Mac with one Terminal command, clear Chrome’s own DNS cache, and when flushing DNS actually helps.
How to clear pip cache on MacHow to clear pip cache on a Mac with pip cache purge, remove one package from the cache, and clear the uv and Poetry caches.
flutter clean: how to clear Flutter cache on MacWhat flutter clean deletes, how to clear Flutter cache on a Mac with dart pub cache clean, and where the Android and iOS parts keep their caches.
How to lock screen on MacHow to lock screen on Mac: Control-Command-Q, the Apple menu, Touch ID or a hot corner, and how to make the Mac lock itself when you step away.
How to clear Discord cache on MacDiscord has no clear cache button on Mac. Here’s how to clear Discord cache by hand: quit it and delete three folders. Messages and servers stay.
How to clear Firefox cache on MacHow to clear Firefox cache on Mac and keep your sign-ins, bookmarks and passwords: the Clear Recent History window, one site’s data, and what not to delete.
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 clear Xcode cache on MacHow to clear Xcode cache on a Mac: delete DerivedData, clean the build folder, remove old simulators, runtimes and device support files.
How to delete Time Machine backups on MacHow to delete Time Machine backups and local snapshots on Mac, and why macOS usually frees that space by itself.

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