BTEQ - Identifying input and output file undes MS-DOS in Teradata

Specifying input:
If your workstation is running MS-DOS/PC-DOS or UNIX, invoke BTEQ and specify sampfile as the input file, as follows:
BTEQ < sample_file


Specifying output:
To also create a new output file named log.out, enter:
BTEQ < sample_file > log.out