


cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist.cp -rp /Volumes/install_app/Packages /Volumes/OS\ X\ Base\ System/System/Installation/.rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages.asr restore -source /Volumes/install_app/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase.hdiutil attach /tmp/ -noverify -nobrowse -mountpoint /Volumes/install_build.hdiutil create -o /tmp/Sierra.cdr -size 7316m -layout SPUD -fs HFS+J.hdiutil attach /Applications/Install\ macOS\ Sierra\ Public\ Beta.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app.Step 1 (Creating a bootable macOS Sierra ISO for VirtualBox):
