These assume that the installer is still 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 following commands in Terminal.

Open Terminal, which is in the Utilities folder of your Applications folder.

Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.

Connect the USB flash drive or other volume that you're using for the bootable installer.

Use the 'createinstallmedia' command in Terminal

You will create the bootable installer from this app, not from the disk image or.

It installs an app named Install OS X El Capitan into your Applications folder. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. You can now quit Terminal and eject the volume.El Capitan downloads as a disk image.

When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Monterey.

After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume.

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.

Plug in the USB flash drive or other volume that you're using for the bootable installer.

Membuat bootable usb mac os sierra