adjkerntz(8) on FreeBSD

The text 457dc3693c41, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.

adjusts the kernel time if the machine runs wall CMOS clock

Flags it lists