Create bootable OS X USB drive

Create bootable OS X install drive using DiskMaker X:
  1. Download DiskMaker X
  2. Download macOS Sierra from App Store into Applications folder  [Do NOT run installer]
  3. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  4. Launch DiskMaker X … Follow the prompts to complete the USB creation …
Create bootable macOS High Sierra (10.13) install drive using <createinstallmedia> utility:
  1. Download macOS Sierra from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ macOS\ High\ Sierra.app --nointeraction
Create bootable macOS  Sierra (10.12) install drive using <createinstallmedia> utility:
  1. Download macOS Sierra from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ macOS\ Sierra.app --nointeraction
Create bootable OS X 10.11 El Capitan install drive using <createinstallmedia> utility:
  1. Download OS X 10.11 El Capitan from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction
Create bootable OS X 10.10 Yosemite install drive using <createinstallmedia> utility:
  1. Download OS X 10.10 Yosemite in Applications folder (default). [Note: Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Yosemite.app --nointeraction

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