"Steven M. Bellovin" <smb@research.att.com> writes:

> At least in my kernel (1.4P, the Comdex snapshot), I believe you can do the 
> same with sysctl:
> 
> 	sysctl -w kern.rtc_offset=xxx

You can read but can't write.  Since the value is used early boot
stage, setting it after boot is not so useful.

enami.