Use the command line to create a full version of the MacOS Sierra production USB installation disk
1, prepare a 8GB or more capacity of the U disk, and back up all the information inside.
2. Download the installation program for the full version of MacOS Sierra (download in AppStore).
3. Open "application → utilities → disk Utility", "Erase" (format) the USB stick into "mac OS X extended (journaled) format, GUID partition map, and name the USB drive as"sierra". (Note: This drive letter name will correspond to the following command one by one, if you change the name of this drive, you must ensure that the names in the following commands are consistent.) )
4. Open "application → utilities → terminal" and copy and paste the following command:
Sudo/applications/install\ macos\ Sierra.app/contents/resources/createinstallmedia--volume/volumes/sierra-- Applicationpath/applications/install\ macos\ Sierra.app--nointeraction
5, enter and execute the command, you will be prompted to enter the administrator password, you will start the production process.
MAC Computer formatted reload (Erase disc installation)
1. Back up all the important data in your MAC.
2. Press the power button to boot, and when you hear "cable", hold down the option key until the boot menu option appears.
3, choose to install the USB drive and enter, you can start the installation, in the process you can use "Disk Utility" to the MAC disk or re-partition operation.
Tutorial on making MacOS Sierra official USB boot Installation disk (new MAC system installed)