[TUHS] pseudo tty history

[Jeremy C. Reed]

"In January 1981, Toy worked on adding the pseudo-teletype (ptty) 
drivers that were overhauled and ported to VMUNIX by Borden in July 
1980. (This ptty code came from Borden's earlier Harvard work.)"

(Borden told me it came from his Harvard work.)

SCCS also shows

../archives/1980s/4.1c.1/sys/sys/SCCS/s.tty_pty.c- * Overhauled, and 
ported to VAX/VMUNIX (V7) Bruce Borden, July 80

../archives/1980s/4.1c.1/sys/sys/SCCS/s.tty_pty.c: * Modified and 
integrated into 4bsd by Kipp Hickman and Michael Toy

Several commits around there for toy


echo Fbzrqnl V jvyy svavfu zl obbx. | \
  tr "VFnoqrsuvxyzabfjl" "ISabdefhiklmnoswy"