Operating System  COM Port	Shutdown Command	Start up file

Sun OS          /dev/ttya     halt		        /etc/rc.local
Sun Solaris     /dev/ttya     /usr/sbin/halt         /etc/rc2.d/S96rups
Solaris x86	/dev/ttyb     /usr/sbin/halt         /etc/rc2.d/S96rups
HP-UX	   	/dev/tty00	 shutdown -y -h 0 	/etc/inittab
DEC ALPHA OSF/1 /dev/tty00	 init 0		 	/sbin/rc3.d/S86rups
DEC Ultrix	/dev/tty01	 shutdown -h now	/etc/rc
IBM AIX	   	/dev/tty0	 Shutdown -h now	/etc/inittab
SCO UNIX	/dev/tty1a	 sync;sync;haltsys	/etc/rc2.d/S96rups
SCO XENIX	/dev/tty1a	 sync;sync;haltsys	/etc/rc.d/8/userdef
SCO UnixWare	/dev/tty01	 init 0		 	/etc/rc2.d/S96rups
Linux	   	/dev/ttyS1	 /sbin/halt	 	/etc/rc.d/rc.local
Motorola SVR4   /dev/contty01 Shutdown -y -g0 -i0	/etc/rc2.d/S96rups
Motorola AIX	/dev/tty0	 Shutdown -h now	/etc/inittab
SGI		/dev/ttyd1  	 /etc/shutdown -y -g 0	/etc/rc2.d/S96rups
Free BSD	/dev/ttyd1	 Shutdown -h now	/etc/rc
Fuji ICL DC/90  /dev/auxtty	 /sbin/init 0	 	/etc/rc2.d/S96rups
NEC SVR4	/dev/term/00	 /usr/ucb/halt	 	/etc/rc2.d/S96rups
