K 10
svn:author
V 5
sevan
K 8
svn:date
V 27
2019-09-07T17:22:25.578025Z
K 7
svn:log
V 167
MFC r351631
Earliest reference to /dev/null I can find is in v4 sh(1) and nulldev in
nsys/ken/subr.c
via TUHS archive
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V4

END