https://manpages.ubuntu.com/manpages/resolute/man2/mknod.2freebsd.html
Ubuntu Manpage: mknod, mknodat
ubuntumanpagemknod
https://manpages.ubuntu.com/manpages/questing/man2/mknodat.2.html
Ubuntu Manpage: mknod, mknodat - create a special or ordinary file
create a special or ordinary file
ubuntumanpagemknodcreatespecial