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Terminal shows the progress as the volume is erased. When prompted, type Y to confirm that you want to erase the volume, then press Return.Terminal doesn't show any characters as you type. When prompted, type your administrator password.If the volume has a different name, replace MyVolume in the command with the name of your volume. Each command assumes that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. Type or paste one of the commands below into Terminal, then press Return to enter the command.Open Terminal, which is in the Utilities folder of your Applications folder.Plug in the USB flash drive or other volume that you're using for the bootable installer.Bring some small improvements to Photos, Mail, Note, Messages, etc.Add support for High Efficiency Video Coding (HEVC), with hardware acceleration where available, as well as support for High Efficiency Image File Format (HEIF).

It includes virtual-reality and machine-learning features, as well as support for external GPUs.

Update Apple’s graphics API to Metal 2.

It can speed up common tasks like duplicating a file and finding the size of a folder’s contents.

Apple File System (APFS) replaces HFS Plus as the default file system in macOS for the first time.

Some of these improvements are as follows:

It focuses on performance improvements and technical updates rather than user features. Released in 2017, macOS High Sierra (version 10.13) is the fourteenth major release of macOS. Do you want to install macOS High Sierra on your device? This post from MiniTool Partition Wizard tells you the macOS High Sierra new changes and installation requirements, and offers you the full macOS High Sierra download and install guide.