sub ShowUsage
{
print STDOUT << "EOF";
moniter my computer disk
usage: $0
file [-d] [-h]
-d: excute
-h: this (help) message
EOF
}
sub ShowUsage
{
print STDOUT << "EOF";
moniter my computer disk
usage: $0
file [-d] [-h]
-d: excute
-h: this (help) message
EOF
}