BSF (Backward Space File)
- Purpose
- Move the tape backward one or more tape files.
- Usage notes
- A tape
file consists of blocks of data delimited by a tape mark. For
this function, a tape label set is also considered a file. The tape
stops
after the specified number of tape marks has been read or the load
point has
been reached. The tape is positioned immediately before a tape mark
or
at the load point.
Specify a DDNAME for the tape.
- Options
- None.
- Related functions
-
- BSR
- Move the tape backward one or more records
- FSF
- Move the tape forward one or more files
- FSR
- Move the tape forward one or more records
- REW
- Rewind a tape to its load point
- RUN
- Rewind a tape and unload it
- ddname
- Refers to a DD or TSO ALLOC statement.
- LABEL=BLP
- Specifies that bypass label processing is used. This parameter must be specified with the first Z Data Tools function that uses the tape. For BLP processing requirements, see "Customizing the Security Environment" in the Z Data Tools Customization Guide.
- nfiles
- Number of tape files to be spaced backward. The maximum is 99 999; the default is 1.