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authorru <ru@FreeBSD.org>2000-10-06 08:40:52 +0000
committerru <ru@FreeBSD.org>2000-10-06 08:40:52 +0000
commit1fbd557fa3d7503c84c09c872ba72799b4b16f25 (patch)
treefc48eafe01889c88318d12fc0332b338f37ad4e1 /share
parenta97a265d538f8346bd26d20275b1d5ebd3d7db76 (diff)
downloadFreeBSD-src-1fbd557fa3d7503c84c09c872ba72799b4b16f25.zip
FreeBSD-src-1fbd557fa3d7503c84c09c872ba72799b4b16f25.tar.gz
Add missing escape sequences, -mdoc'ify.
Diffstat (limited to 'share')
-rw-r--r--share/man/man4/screen.457
1 files changed, 34 insertions, 23 deletions
diff --git a/share/man/man4/screen.4 b/share/man/man4/screen.4
index 5df3235..4a57617 100644
--- a/share/man/man4/screen.4
+++ b/share/man/man4/screen.4
@@ -1,44 +1,44 @@
.\"
.\" $FreeBSD$
.\"
-.Dd January 8, 1995
+.Dd October 6, 2000
.Dt SCREEN 4
.Os FreeBSD
.Sh NAME
.Nm screen
.Nd pc display interface
.Sh DESCRIPTION
-
Access to the
-.Ar virtual consoles
+.Em virtual consoles
are obtained through the device files
-ttyv0 - ttyvb in
-.Pa /dev .
+.Pa /dev/ttyv0
+-
+.Pa /dev/ttyvb .
Each of these files correspond to a separate
virtual console.
-All virtual console devices can be open at once, but only one is
+All virtual console devices can be open at once, but only one is
active at a time.
The active virtual console "owns" the keyboard and
display screen.
.Pp
Output to a virtual console that not currently is on the display is
saved in a buffer that holds a "screenfull" (normally 25) lines.
-Any output written to
-.Pa /dev/console
+Any output written to
+.Pa /dev/console
(the original console device) is echoed to
-.Pa /dev/ttyv0.
+.Pa /dev/ttyv0 .
.Pp
-To switch between the virtual consoles one uses the sequence
-.Ar ALT+Fn
-, which means hold down ALT and press one of the function keys.
-The
+To switch between the virtual consoles one uses the sequence
+.Em ALT+Fn ,
+which means hold down ALT and press one of the function keys.
+The
virtual console with the same number as the function key is then
selected as the current virtual console, and given exclusive use of
the keyboard and display.
This switch sequence can be changed via
-the keyboard mapping ioctl call (see keyboard.4)
+the keyboard mapping ioctl call (see
+.Xr keyboard 4 ) .
.Pp
-
The console allows entering values that are not physically
present on the keyboard via a special keysequence.
To use this facility press and hold down ALT,
@@ -52,13 +52,13 @@ It is activated by
pressing the scroll-lock key.
This holds the display, and enables the cursor
arrows for scrolling up and down through the last scrolled out lines.
-
-The console understands a subset of the ANSI x3.64 character
+.Pp
+The console understands a subset of the ANSI x3.64 character
sequences.
For compatibility with the old pccons, the PC3 character
sequences is also supported.
.Pp
-.Bd -literal
+.Bd -literal
ANSI Seq Function Termcap entry
======= ======= ===================================== ==============
@@ -68,6 +68,9 @@ ANSI Seq Function Termcap entry
-- Ec Reset rs
+-- EM move cursor up 1 line, --
+ scroll if at top
+
CUU E[nA move cursor up n lines up/UP (ku)
CUD E[nB move cursor down n lines do/DO (kd)
@@ -149,6 +152,8 @@ SGR E[nm Set character attributes: --
-- E[x Reset normal colors and attributes --
to their default values
+-- E[nz Switch to virtual console n --
+
-- E[1;nx Set normal ANSI background color --
to n (see table)
@@ -177,11 +182,19 @@ SGR E[nm Set character attributes: --
directly to n (n from 0 to 255)
-- E[=p;dB Set bell pitch (p) and duration (d), --
- picth is in units of 840 nS,
+ pitch is in units of 840 nS,
duration is units of 0,1 S.
--- E[=tC Set cursor type, 1 selects a blinking --
- cursor, 0 a steady cursor.
+-- E[=tC Set cursor type (see table) --
+
+ t=0 normal non-blinking
+ t=1 normal blinking
+ t=2 custom non-blinking
+ t=3 custom blinking
+
+-- E[=s;eC Set custom cursor shape, where --
+ s is the starting and e is the ending
+ scanlines of the cursor.
-- E[=nA Set the border color to n --
(see table) (if supported by HW)
@@ -208,8 +221,6 @@ SGR E[nm Set character attributes: --
n= 7 light grey n=15 white
note: the first E in the sequences stands for ESC (0x1b)
-
.Ed
-.Pp
.Sh AUTHORS
.An Søren Schmidt Aq sos@FreeBSD.org
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