Hi.. I'm currently back on macOS but ran Ubuntu 20.04 on my iMac for ~4 months exclusively. As in no macOS install at all. Purely Ubuntu. At least once a month, my boot disk would revert to read only.

On many Linux systems the boot process sees the usual BIOS screen, followed by Grub. The Grand Unified Bootloader (Grub) takes over from our BIOS and offers the user a choice of OS options and kernel ...

So I hosed a Lucid Lynx install on a lappie, no big deal, it is a testing one, and I have backups and more backups of their files. Thing is, it boots onto a grub prompt, and after that I can easily go ...