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full compact
screen.4 (50476) screen.4 (53200)
1.\"
1.\"
2.\" $FreeBSD: head/share/man/man4/screen.4 50476 1999-08-28 00:22:10Z peter $
2.\" $FreeBSD: head/share/man/man4/screen.4 53200 1999-11-15 23:14:32Z phantom $
3.\"
4.Dd January 8, 1995
3.\"
4.Dd January 8, 1995
5.Dt SCREEN 4 i386
5.Dt SCREEN 4
6.Os FreeBSD
7.Sh NAME
8.Nm screen
9.Nd pc display interface
10.Sh DESCRIPTION
11
12Access to the
13.Ar virtual consoles
14are obtained through the device files
6.Os FreeBSD
7.Sh NAME
8.Nm screen
9.Nd pc display interface
10.Sh DESCRIPTION
11
12Access to the
13.Ar virtual consoles
14are obtained through the device files
15ttyv0 - ttyvb in /dev.
15ttyv0 - ttyvb in
16.Pa /dev .
16Each of these files correspond to a separate
17virtual console.
18All virtual console devices can be open at once, but only one is
19active at a time. The active virtual console "owns" the keyboard and
20display screen.
21.Pp
22Output to a virtual console that not currently is on the display is
23saved in a buffer that holds a "screenfull" (normally 25) lines.
24Any output written to
17Each of these files correspond to a separate
18virtual console.
19All virtual console devices can be open at once, but only one is
20active at a time. The active virtual console "owns" the keyboard and
21display screen.
22.Pp
23Output to a virtual console that not currently is on the display is
24saved in a buffer that holds a "screenfull" (normally 25) lines.
25Any output written to
25.Ar /dev/console
26(the original console device) is echoed to /dev/ttyv0.
26.Pa /dev/console
27(the original console device) is echoed to
28.Pa /dev/ttyv0.
27.Pp
28To switch between the virtual consoles one uses the sequence
29.Ar ALT+Fn
30, which means hold down ALT and press one of the function keys. The
31virtual console with the same number as the function key is then
32selected as the current virtual console, and given exclusive use of
33the keyboard and display. This switch sequence can be changed via
34the keyboard mapping ioctl call (see keyboard.4)

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29.Pp
30To switch between the virtual consoles one uses the sequence
31.Ar ALT+Fn
32, which means hold down ALT and press one of the function keys. The
33virtual console with the same number as the function key is then
34selected as the current virtual console, and given exclusive use of
35the keyboard and display. This switch sequence can be changed via
36the keyboard mapping ioctl call (see keyboard.4)

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