Unix and C

[Michael Salmon]

In article <4458 at mint39.UUCP> gunda at motcid.UUCP (Indira Gunda) writes:
>richb at railnet.UUCP (Richard Banks) writes:
>
>>How can Unix be written in C ? I thought all OS`s had to be written
>>in assembly language, else they'd have the same interrupts as the
>>OS you booted your complier language under to write the program ?
>
>Yes ... Why and how can UNIX be written in C?  I'd also like to know.
>
Of course the whole of Unix cannot be written in C but only a small
percentage need be written in assembler. The books on Minix and XINU
are probably the best place to look to see how it's done.

Michael Salmon
L.M. Ericsson
Stockholm