Quoting Brandon Reed,

> This may not seem to be a very important thing but I've recently built a 
> kernel with Linux emulation and am trying to test it but when I try to 
> run linuxxdoom I get " can't load dynamic linker `/lib/ld.so` " or 
> something very close anyways. I tried making a symlink from /usr/libexec 
> to /lib but it still fails. Any Ideas

When running dynamically linked Linux binaries, you will need to have
the necessary stuff in /emul/linux, like the runtime linker and shared 
libraries. For a description of this see compat_linux(8).

- Frank