The reference is presumably to Intel's use of Minix in its CPUs - see, e.g., https://www.zdnet.com/article/minix-intels-hidden-in-chip-operating-system/ https:/

The reference is presumably to Intel's use of Minix in its CPUs - see, e.g., https://www.zdnet.com/article/minix-intels-hidden-in-chip-operating-system/ https://www.zdnet.com/article/minix-intels-hidden-in-chip-op... - as an example of a place where a multi-user OS (that can compile itself...) might be used for what might seem like an embedded-type application.