#!/bin/shecho loading RT Linux if needed...../insrtl || exit 1echo loading RT tasks with no semaphore...rmmod sem_task 2> /dev/nullinsmod sem_task.o DO_SEM=0 || exit 1echo waiting 5 seconds...sleep 5echo loading RT tasks with a semaphore...rmmod sem_task 2> /dev/nullinsmod sem_task.o DO_SEM=1 || exit 1echo waiting 5 seconds...sleep 5echo removing RT task...rmmod sem_task\rm -f dmesg.txtdmesg > dmesg.txtif test $? -ne 0 ; then    echo can\'t run the \'dmesg\' program-- try dmesg manually to view log output    exit 1fi# check if we're running Xxrdb -query > /dev/null 2> /dev/nullif test $? -eq 0 ; then    xterm -sb -sl 1000 -hold -e '(cat dmesg.txt && echo See the log file output above for results and kill this window when done)'else    cat dmesg.txt && echo See the log file output above for resultsfiexit 0