I haven't found a solution with fewer repeated characters, but

"zcat stty jobs cxref newgrp iconv cksum qhold"

uses one fewer utility

Christian Neukirchen wrote:
> Ruby Quiz <james / grayproductions.net> writes:
>
> Who has a better solution than these?
>
> "awk chgrp df jobs lex mv tty uniq zcat"
> "awk chgrp df join lex mv tty qsub zcat"
>
> I think these are optimal for both (1) and (2).
> --
> Christian Neukirchen  <chneukirchen / gmail.com>  http://chneukirchen.org