sevan 1bfbbe603d A standalone reboot utility showed up in 4.0BSD. ...

In AT&T UNIX init has a case for reboot and is present in the version shipped
with V5.
http://minnie.tuhs.org/cgi-bin/utree.pl?file=V5/usr/source/s1/init.c

Amend HISTORY section.
Bump date.

2016-09-12 05:43:15 +00:00

..

Makefile

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reboot.8

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reboot.c

…