logical-name[:]
Specifies the logical name and a character string to be assigned
to the file.
filespec
Specifies the name of the file or device being opened for input
or output. The file type defaults to DAT. The asterisk (*) and
the percent sign (%) wildcard characters are not allowed.
To create a new, sequential file, specify the /WRITE qualifier.
See the description of the /WRITE qualifier for more information.