Input/output processing for tape

Learn the basics for I/O procedures on tape.

The following considerations apply to I/O operations that are performed on data files:

• Read and write considerations
  Learn the read and write considerations for tape.
• Read considerations
  Use this information to learn the read considerations when working with tape.
• Force-end-of-data considerations
  Learn what force-end-of-data function does and when it is used.
• Force-end-of-volume considerations
  Read this section to learn what force-end-of-volume function does and when it is used.