Mavericks Os X 10.9.x Dmg ((exclusive)) -

That’s an interesting angle — and you're right to notice something unique.
One of the more interesting technical features of the OS X Mavericks (10.9.x) DMG (compared to previous and later versions) is related to how Apple packaged and delivered it.

• Apple shipped the full installer inside the Install OS X Mavericks.app bundle. That app’s Contents/SharedSupport contains InstallESD.dmg, which itself contains:
  • BaseSystem.dmg
  • Packages folder
  • Bootloader files
  • Recovery partition image

  While Apple no longer lists Mavericks prominently on the Mac App Store, there are still ways to secure an official installer: mavericks os x 10.9.x dmg

  Groups low-level background tasks together so the CPU can stay in a low-power "idle" state for longer periods, reducing wake-ups by up to 72%. SMB2 by Default: That’s an interesting angle — and you're right

  Part 2: What is a “DMG” File in the Context of Mavericks?

  A DMG (Apple Disk Image) file is the equivalent of an ISO file for Windows. It is a virtual hard drive container. When you download Mavericks OS X 10.9.x DMG, you are downloading a compressed image of the installer. Apple shipped the full installer inside the Install

  • Link: Download OS X Mavericks from the App Store
  • Note: This link usually only works if you have previously "purchased" or downloaded Mavericks under your Apple ID, or if you are using a Mac capable of running it (though the OS itself is free).