Os X Yosemite Iso

hdiutil create -o /tmp/Yosemite.cdr -size 7300m -layout SPUD -fs HFS+J

Use macOS High Sierra (10.13) or Mojave (10.14). They have better virtual machine support and still run many legacy apps. The ISO creation process is identical to Yosemite's. os x yosemite iso

hdiutil create -o /tmp/Yosemite -size 8000m -volname Yosemite -layout SPUD -fs JHFS+ hdiutil create -o /tmp/Yosemite