/sys$common/syshlp/helplib.hlb JOB, Qualifiers, /NAME  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /NAME=job-name

    Specifies a string to be used as the job name and as the file
    name for both the batch job log file and the command file. The
    job name must be 1 to 39 alphanumeric characters and must be a
    valid file name. The default log file name is INPBATCH.LOG; the
    default command file name is INPBATCH.COM.