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authorrwatson <rwatson@FreeBSD.org>2001-12-22 14:25:31 +0000
committerrwatson <rwatson@FreeBSD.org>2001-12-22 14:25:31 +0000
commit8b73d78249e341c0a95b8328ec353f18c87b09aa (patch)
treebd0a3eea8c8b8f3e2fa23cc3554e1f9b125d96c1 /share
parent0f5202b654f09fd8a16ee9ab23030b9dd5e77219 (diff)
downloadFreeBSD-src-8b73d78249e341c0a95b8328ec353f18c87b09aa.zip
FreeBSD-src-8b73d78249e341c0a95b8328ec353f18c87b09aa.tar.gz
o Expand on the definition of a sysctl, and add cross-references to
rc.conf and sysctl.conf. MFC after: 3 days
Diffstat (limited to 'share')
-rw-r--r--share/man/man7/tuning.719
1 files changed, 14 insertions, 5 deletions
diff --git a/share/man/man7/tuning.7 b/share/man/man7/tuning.7
index 54db357..5551fac 100644
--- a/share/man/man7/tuning.7
+++ b/share/man/man7/tuning.7
@@ -360,12 +360,19 @@ RAID controller from the list of
.Fx
supported controllers.
.Sh SYSCTL TUNING
-There are several hundred
.Xr sysctl 8
-variables in the system, including many that appear to be candidates for
-tuning but actually aren't.
-In this document we will only cover the ones
-that have the greatest effect on the system.
+variables permit system behavior to be monitored and controlled at
+run-time.
+Some sysctls simply report on the behavior of the system; others allow
+the system behavior to be modified;
+some may be set at boot time using
+.Xr rc.conf 5 ,
+but most will be set via
+.Xr sysctl.conf 5 .
+There are several hundred sysctls in the system, including many that appear
+to be candidates for tuning but actually aren't.
+In this document we will only cover the ones that have the greatest effect
+on the system.
.Pp
The
.Va kern.ipc.shm_use_phys
@@ -763,6 +770,8 @@ over services you export from your box (web services, email).
.Xr ata 4 ,
.Xr dummynet 4 ,
.Xr login.conf 5 ,
+.Xr rc.conf 5 ,
+.Xr sysctl.conf 5 ,
.Xr firewall 7 ,
.Xr hier 7 ,
.Xr ports 7 ,
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