code: plan9front

ref: 1c738e2a16487b42a030e4b71c3caaad9c7eb446
dir: /rc/bin/hold/

View raw version 
#!/bin/rc
{
	echo holdon >[1=3]
	cat $1 > /dev/cons
	cat /dev/cons > $1
} >[3]/dev/consctl