docs/68037: Add bit about /etc/sysctl.conf to the config tuning section

[Brad Davis]

>Number:         68037
>Category:       docs
>Synopsis:       Add bit about /etc/sysctl.conf to the config tuning section
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun 17 08:10:15 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Brad Davis
>Release:        FreeBSD 4.10-STABLE i386
>Organization:
>Environment:
System: FreeBSD mccaffrey.house.so14k.com 4.10-STABLE FreeBSD 4.10-STABLE #0: Fri May 28 08:02:41 MDT 2004 root at mccaffrey.house.so14k.com:/usr/obj/usr/src/sys/MCCAFFREY i386
>Description:
	1. Add basic note about /etc/sysctl.conf & pointer to man sysctl.conf
>How-To-Repeat:
>Fix:
	Apply of the diff at http://freebsd.so14k.com/config.1.patch
	MD5 (config.1.patch) = 20b03ad8b97a245a9a8ce237b07f7005
>Release-Note:
>Audit-Trail:
>Unformatted: