Keynote in Plenum

Unix and its Children

Keynote speaker:
Peter H Salus

The immediate ancestor of Unix was Multics. The lineage of
C can be traced from BCPL through B. Both troff/groff and
EMACS stem from TECO. All of these lie 25–33 years in the
Today we have BSDI, HPUX, AIX, IRIX, FreeBSD NetBSD,
OpenBSD, and a variety of Linuxes. We have C++.
The intricate route by which simple Unix in 1969–71 gave
rise to today’s offspring will be detailed in this talk.