Creating macOS Installation Media

Here is how to create a USB install disk for macOS 10.9 and up. 1) Download the installation app from the Mac App Store. You will see the installation window pop-up after the download finishes -- just close this. Now you will have the installer in your Applications...

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Disk Utility Won’t Reformat Hard Drive

This seemed to become a bigger problem with the introduction of macOS High Sierra (10.13) and the APFS file system. Essentially the problem is, in Disk Utility, you can't erase a boot drive, it will just return an error that it can't unmount the disk. The solution...

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Useful Terminal Commands

Here are some useful Terminal commands Show Hidden Files Shows hidden files in the Finder defaults write com.apple.finder AppleShowAllFiles YES; killall Finder Hide Hidden Files Hides hidden files in the Finder again defaults write com.apple.finder AppleShowAllFiles...

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