#!/bin/sh exec </dev/null tryto echo $? tryto -V echo $? tryto -v sh -c 'sleep 1; exit 0' echo $? tryto -vn2 sh -c 'sleep 1; exit 1' echo $? tryto -vt1 sleep 14 echo $? tryto -vt1 -k1 sh -c 'trap : TERM; sleep 3' echo $?