#!/bin/ksh -p
TIME=0
if (($# == 1)) ; then
    TIME=$(($1+0));
fi

if ((TIME == 0)) ; then
    TIME=30;
fi

TMP=/tmp/$$.temp

while ((1)); do
    date > $TMP;
    uptime2 >> $TMP
    ps2 >> $TMP;
    clear;
    cat $TMP;
    \rm $TMP;
    print Sleeping $TIME seconds...;
    sleep $TIME;
done