BSF

The BSF primary command moves the tape backwards a specified number of files.
Figure 1. Syntax

1 BSF
1! 1
1? files

For example, the command BSF 3 moves the tape backward 3 files.

You can only use BSF with Tape Browse (option 4.1) and Tape Update (option 4.3).

Note: You can also use Backward Space File (option 4.15.1).