These are both supported on Linux. Secure boot should be transparent and easy these days (unless I’m not understanding what you mean by true in the above post) , but MAC is admittedly a huge pain in the ass, no onelikes SElinux. It is effective however (it was designed by NSA)
True secure and verified boot, robust MAC systems with easy control (similar to what MacOS uses).
These are both supported on Linux. Secure boot should be transparent and easy these days (unless I’m not understanding what you mean by true in the above post) , but MAC is admittedly a huge pain in the ass, no onelikes SElinux. It is effective however (it was designed by NSA)