use strict;
use warnings;

$, = ' ';   # set output field separator
$\ = "\n";  # set output record separator

open my $cmd, 'ps -ef |' or exit(127);
while (<$cmd>) {
    my ($f1,$f2,undef,undef,undef,undef,undef,$f8) = split(' ',$_,-1);
    print $f1,$f2,$f8 if ($f1 eq 'kdfadm');
}
close $cmd;