slackware-backtrack-service-sshd-restart
slackware does NOT have /etc/init.d instead files are in /etc/rc.d
If it is executable then it will start on boot.
chmod +x /etc/rc.d/rc.sshd
/etc/rc.d/rc.sshd start /etc/rc.d/rc.sshd stop /etc/rc.d/rc.sshd restart