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 Composer cache on MacHow to clear Composer cache on a Mac with composer clear-cache, where the cache lives, and how to free the space taken by vendor folders of old PHP projects.
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 block websites on MacHow to block websites on Mac with Screen Time: limit adult sites, block a list of addresses or allow only chosen sites, and lock it with a passcode.
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.
Mac keyboard shortcuts: the most useful onesThe Mac keyboard shortcuts worth knowing: copy and paste, windows, screenshots, Finder, text, lock screen, plus what ⌘ ⌥ ⌃ ⇧ mean and their Windows keys.
How to stop apps from opening on startup on MacHow to stop apps from opening on startup on a Mac: remove login items, turn off background items and stop windows from reopening.
How to clear Safari cache on MacHow to clear Safari cache on Mac without losing history, passwords or sign-ins, how to remove one site’s data, and what each option deletes.
How to delete conda environments on MacHow to delete conda environments on a Mac with conda remove or Anaconda Navigator, export them first, and clear the package cache with conda clean.
How to clear media cache in Premiere Pro on MacClear media cache in Premiere Pro on a Mac from Settings › Media Cache, turn on automatic cleanup and find the Adobe cache folder.
How to clear Chrome cache on MacHow to clear cache in Chrome on Mac without losing passwords or sign-ins: the Delete browsing data window, its shortcut and what each box deletes.
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.
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 unzip files on Mac and zip themHow to unzip files on Mac with a double-click, how to zip a file on Mac with Compress, password-protected zips, and what to do with RAR and 7z.
Mac stuck on Apple logo: how to fix itMac stuck on the Apple logo? Wait out an update, restart, try safe mode, repair the disk with First Aid in Recovery or reinstall macOS without erasing.
How to find and delete node_modules folders on MacFind every node_modules folder on a Mac with its size, delete the ones you don’t need in Finder, Terminal or npkill, and get them back with npm.
How to check Mac model and yearHow to check Mac model, year and chip in About This Mac, find the model identifier and serial number, and identify a Mac that won’t turn on.
How to find Wi-Fi password on MacHow to find a Wi-Fi password on Mac in the Passwords app or Wi-Fi settings, share it with a QR code, and where to look on macOS Sonoma.
How to show hidden files on MacHow to show hidden files on Mac with Command-Shift-Period in Finder, open the hidden Library folder, list hidden files in Terminal, and what not to touch.
brew cleanup: How to clear Homebrew cache on MacHow brew cleanup clears Homebrew cache on a Mac, how to delete the whole download cache and remove dependencies you no longer need.
How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
How to clear history on MacHow to clear history on Mac in Safari, Chrome and Firefox, for the last hour or all time, and what else disappears, including on your iPhone.
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.
How to connect AirPods to MacHow to connect AirPods to Mac through your Apple Account or Bluetooth settings, switch sound to them, and what to do if they don’t show up.

Read next