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-rw-r--r--sys/arch/i386/isa/pcvt/Util/pcvtdoc/pcvt.422
1 files changed, 21 insertions, 1 deletions
diff --git a/sys/arch/i386/isa/pcvt/Util/pcvtdoc/pcvt.4 b/sys/arch/i386/isa/pcvt/Util/pcvtdoc/pcvt.4
index ebc3cf8910a..40431ecd926 100644
--- a/sys/arch/i386/isa/pcvt/Util/pcvtdoc/pcvt.4
+++ b/sys/arch/i386/isa/pcvt/Util/pcvtdoc/pcvt.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: pcvt.4,v 1.13 1999/07/14 13:34:59 millert Exp $
+.\" $OpenBSD: pcvt.4,v 1.14 1999/09/14 18:43:30 aaron Exp $
.\"
.\" Copyright (c) 1992, 1995 Hellmuth Michaelis, Brian Dunford-Shore,
.\" Joerg Wunsch and Holger Veit.
@@ -131,6 +131,8 @@ Support for MDA, CGA, EGA and VGA display adaptors
.It
Support for 132 column operation on VGA chipsets
.It
+Scrollback buffer
+.It
X Window Support for XFree86 >= 1.2 using the pccons model, or
for XFree86 >= 2.0 using the syscons model
.Po
@@ -760,6 +762,24 @@ kind of adaptor if configured in by the
option
.Dq PCVT_SCREENSAVER
+.Em Scrollback buffer
+
+It is often useful to be able to review text that has already scrolled off the
+screen.
+By default, 8 pages of scrollback buffer are available by navigating with the
+.Em LEFT_SHIFT+PGUP/PGDN
+keys.
+The scrollback buffer is destroyed when
+switching virtual terminals or loading new character sets.
+To increase the number of pages stored, increase the value of
+.Dv SCROLLBACK_PAGES
+in
+.Pa arch/i386/isa/pcvt/pcvt_hdr.h
+and recompile your kernel.
+
+Scrollback support was added in
+.Ox 2.6 .
+
.Em Compatibility commands for USL-style VT's
Release 3.00 of this