What is the minimum size Flash DRIVE bootable installation of Sierra?

When you make a bootable installation of Sierra, what is the minimum size of USB that is required?

8 or 16GBs.

Installers for OS X Mavericks to Sierra bootable USB

First, review this introductory article: creating a Setup program bootable OS X Mavericks or Yosemite - Apple Support. Second, see this diagram how to create an El Capitan bootable Installer. Just replace the Terminal command with that of the previous article by copying it in the Terminal window.

You will need a 8 GB or more flash disk USB that has been partitioned and formatted for use with OS X.

Drive partition and format

  1. Open utility disk from the Applications\utilitaires folder.
  2. After disk utility charges select the drive (entrance Out-bumpy with of the mfgr.) ID and size) in the list to one side.
  3. Click clear in the utility disc toolbar. Name of the player, "MyVolume". <-IMPORTANT!
  4. In the Group dropdown set the GUID partition scheme. Define the type of Format Mac OS extended (journaled).
  5. Click apply and wait for the done button to activate it. When it click on it.
  6. Quit disk utility.

Create the installation program

Open the Terminal in the Utilities folder. Choose according to the command line appropriate (in red) on the OS X installer you want. Paste this entire command line by underneath at the Terminal prompt:

Order for macOS Sierra:

sudo/Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia--volume/Volumes/MyV--applicationpath/Applications/Install\ macOS\ Sierra.app

Order for El Capitan:

sudo/Applications/Install\ OS\ El\ Capitan.app/Contents/Resources/createinstallmedia--volume/Volumes/MyVolume--applicationpath/Applications/Install\ OS\ El\ Capitan.app X\ X\

Order for Yosemite:

sudo/Applications/Install\ OS\ Yosemite.app/Contents/Resources/createinstallmedia--volume/Volumes/MyVolume--applicationpath/Applications/Install\ OS\ Yosemite.app X\ X\

Control of Mavericks:

sudo/Applications/Install\ OS\ Mavericks.app/Contents/Resources/createinstallmedia--volume/Volumes/MyVolume--applicationpath/Applications/Install\ OS\ Mavericks.app X\ X\

Press RETURN. You will be asked your admin password. It won't echo on the Terminal window. Press RETURN again. Wait for the prompt to the Terminal, meaning that the process is complete. It takes a while to complete. Be patient.

Tags: Mac OS & System Software

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