Sync some manuals from bin & sbin with NetBSD-8Grammar fixes.Add/correct HISTORY section.closes #276Change-Id: I0640104acea9be90f4cbbda34abfb47c8a0b753b
Drop main() prototype.Sync with NetBSD-8closes #269Change-Id: I4ce3bcbc1a1dc71745fe77bd581d07aeafc2f01b
Upgrading syncChange-Id: Ied34ebd1d2dc963f5a2af8fc3bbf8e6c94df61cf