print STDERR "\nwhere [system] can be one of the following\n";
foreach $i (sort keys %ops)
{ printf STDERR "\t%-10s\t%s\n",$i,$ops{$i}; }
print STDERR "\nwhere [system] can be one of the following\n";
foreach $i (sort keys %ops)
{ printf STDERR "\t%-10s\t%s\n",$i,$ops{$i}; }