mv /tmp/Catalina.iso.cdr ~/Desktop/macOS_Catalina_10.15.7.iso
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Catalina macos catalina 10157 iso download new
hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina mv /tmp/Catalina