>          "DD=ddname" ;
>          "// ddname DD *  {i.e. "//",  "ddname", "DD", and "*"},  and
>          "/*"  {on the last line}

// is an old JPL syntax for job metacommands.  /* was the 'end of job'
sign.

DD is short for Dataset, I think.  I think you can order a file from your
LISTSERV - 'info listjob' or something - to get more explanation of this.

HTH,

Paul