The Linux syscalls are just implemented into FreeBSD.
In 1998-1999 they literally used FreeBSD with Linux Abstraction Layer and run Linux apps on FreeBSD instead of using Linux natively because it was faster that way.
Relevant 'press release' here:
- https://www.freebsd.org/press/press-rel-1/
The Linux syscalls are just implemented into FreeBSD.
In 1998-1999 they literally used FreeBSD with Linux Abstraction Layer and run Linux apps on FreeBSD instead of using Linux natively because it was faster that way.
Relevant 'press release' here:
- https://www.freebsd.org/press/press-rel-1/