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CentOS 7.0 - man page for setleds (centos section 1)

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SETLEDS(1)									       SETLEDS(1)

       setleds - set the keyboard leds

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

       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

       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.
	    for tty in $INITTY; do
		 setleds -D +num < $tty

       -num +num
	      Clear or set NumLock.  (At present, the NumLock setting influences the  interpreta-
	      tion 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  set-

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

       In keyboard application mode the NumLock key does not influence the NumLock flag setting.


					   24 Sep 1994				       SETLEDS(1)
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