say FreeBSD make is bmake，but the man page of make and /usr/share/mk/bsd.README still reference this doc:
man of page:
This manual page is intended as a reference document only. For a more
thorough description of make and makefiles, please refer to PMake - A
See also make(1), mkdep(1), style.Makefile(5) and `PMake - A Tutorial', located in /usr/share/doc/psd/12.make.