setleds - Online in the Cloud

PROGRAM:

NAME

setleds - set the keyboard leds

SYNOPSIS

setleds [-v] [-L] [-D] [-F] [{+|-}num] [{+|-}caps] [{+|-}scroll]

DESCRIPTION

Setleds reports and changes the led flag settings of a VT (namely NumLock, CapsLock and
ScrollLock). Without arguments, setleds prints the current settings. With arguments, it
sets or clears the indicated flags (and leaves the others unchanged). The settings before
and after the change are reported if the -v flag is given.

The led flag settings are specific for each VT (and the VT corresponding to stdin is
used).

By default (or with option -F), setleds will only change the VT flags (and their setting
may be reflected by the keyboard leds).

With option -D, setleds will change both the VT flags and their default settings (so that
a subsequent reset will not undo the change). This might be useful for people who always
want to have numlock set.

With option -L, setleds will not touch the VT flags, but only change the leds. From this
moment on, the leds will no longer reflect the VT flags (but display whatever is put into
them). The command setleds -L (without further arguments) will restore the situation in
which the leds reflect the VT flags.

One might use setleds in /etc/rc to define the initial and default state of NumLock, e.g.
by
INITTY=/dev/tty[1-8]
for tty in $INITTY; do
setleds -D +num < $tty
done

OPTIONS

-num +num
Clear or set NumLock. (At present, the NumLock setting influences the
interpretation of keypad keys. Pressing the NumLock key complements the NumLock
setting.)

-caps +caps
Clear or set CapsLock. (At present, the CapsLock setting complements the Shift key
when applied to letters. Pressing the CapsLock key complements the CapsLock
setting.)

-scroll +scroll
Clear or set ScrollLock. (At present, pressing the ScrollLock key (or ^S/^Q)
stops/starts console output.)

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