How To Make A Mac OS X Yosemite Installation Boot DVD

Yosemite Mac OS X system is free as a 6+ gig download so you only want to do it once and keeping a backup makes sense, here is how to make a Dual Layer Installation Boot DVD.




The terminal commands needed to do this are on:

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Terminal Commands To Create A OS X Yosemite DVD iso image

The following commands typed into the Mac Terminal Windows will create a Mac OS X Yosemite installation boot DVD iso image file that can be used to create a standalone Yosemite Installation DVD.  The fixed1t YouTube video:

How To Make A Mac OS X Yosemite Installation Boot DVD

will guide you through this process and subsequent step to make the DVD from the iso image file.   Here are the Terminal Commands for copying and pasting, this first command stretches of two lines, click at the end of it and drag all the way to the start of the first line before copying.

The Commands

hdiutil attach /Applications/Install\ OS\ X\ Yosemite.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/Yosemite

hdiutil resize -size 8g /tmp/Yosemite.sparseimage

hdiutil attach /tmp/Yosemite.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build

rm /Volumes/install_build/System/Installation/Packages

cp -rp /Volumes/install_app/Packages /Volumes/install_build/System/Installation/

cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/install_build

cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/install_build

hdiutil detach /Volumes/install_app

hdiutil detach /Volumes/install_build

hdiutil resize -size `hdiutil resize -limits /tmp/Yosemite.sparseimage | tail -n 1 | awk '{ print $1 }'`b /tmp/Yosemite.sparseimage

hdiutil convert /tmp/Yosemite.sparseimage -format UDTO -o /tmp/Yosemite

rm /tmp/Yosemite.sparseimage

mv /tmp/Yosemite.cdr ~/Desktop/Yosemite.iso

Once this is completed, a Yosemite.iso disc image file should appear on the desktop.

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