sudo hdiutil attach ~/Desktop/BigSur.dmg -noverify -mountpoint /Volumes/BigSurISO
: Running macOS on platforms like VMware, VirtualBox, or Parallels for software testing. macos big sur iso 2021
: hdiutil attach /tmp/BigSur.dmg -noverify -mountpoint /Volumes/BigSurISO sudo hdiutil attach ~/Desktop/BigSur
If you downloaded an ISO claiming to be and it fails, here’s why: macos big sur iso 2021
Who should upgrade (as of 2021)