Why sysrq is limited to only "sync" command on official fedora kernel?

[Josh Boyer]

On Wed, Feb 25, 2015 at 8:54 AM, Ali AlipourR <alipoor90 at gmail.com> wrote:
> Hi,
>
> Why sysrq is limited to only "sync" command on official fedora kernel?

The kernel itself isn't limited.  It's just set that way in
/usr/lib/sysctl.d/50-default.conf which is provided by systemd.  You
can edit that file, create your own in /etc/sysctrl.d/, or (as root)
set it to whatever you would like via /proc/sys/kernel/sysrq.

josh