hdiutil create -o /tmp/Catalina -size 16g -layout SPUD -fs HFS+J -type UDRO Use code with caution.

Set up virtual machines in VMware, VirtualBox, or Parallels Desktop. Deploy macOS environments across enterprise networks.

: hdiutil detach /Volumes/Install\ macOS\ Catalina followed by hdiutil convert /tmp/Catalina.dmg -format UDTO -o ~/Desktop/Catalina.iso 3. Third-Party "Full Installer" Tools

hdiutil detach /Volumes/Install\ macOS\ Catalina hdiutil convert /tmp/Catalina.dmg -format UDTO -o /tmp/Catalina.cdr mv /tmp/Catalina.cdr ~/Desktop/Catalina.iso . 3. Third-Party ISO Downloads (Use Caution)

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