TLDR it is completely possible that the originators of UNIX and the C language embedded a trojan horse, not into the source code, but into the first binary of the compiler that replicates itself into every piece of Unix kernel code compiled and allows the original authors to achieve a sort of 'super-super user' privilege in any Unix based system across the world a wise old man once said "i wrote my own fucking compiler" and he understood that the original was not built on any spiritual principle so he wrote his own