MacOS – Dual Boot USB installation with OSX and Windows

installmacosusbwindows

I have a 16gb USB pendrive that I want to partition to be able to use it as a Window 7 and Mac OSX install drive (probably using a bootloader?!?)

I want to be able to use it on our Macs and PCs as a single all-singing all-dancing install drive.

Can anyone point me in the right direction to a guide to do this? is it even possible? I have both Windows and Mac machines at my disposal.

Best Answer

I just bought three 8 GB thumb drives to use as OS X, Linux, and Windows 7 installers.

I suppose you could split the thumb drive into two 8 GB partitions and create two installers. Whether or not both are visible on Macs and PCs is unknown. I suppose it will depend on the hardware.

To create the OS X installer, you need only run the following from Terminal.app. Note the partition name, I used "Untitled" for the script below.

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

To create the Windows installer, you take the Windows installation ISO file on a Mac, go here and scroll down to "Creating a Windows flash drive installer on an OS X computer".

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