Use tape device files in high-level language programs

Understand the different processing types for tape device files used in high-level language.

A program-described device file can access a magnetic tape device. To use a tape device file with a program, you must either specify the tape file name in the program or use an Override with Tape File (OVRTAPF) command. The high-level language determines what tape parameters to use in the program.

• Open processing for tape device files
  Use this information to find out the considerations for opening tape device files.
• Input/output processing for tape
  Learn the basics for I/O procedures on tape.
• Close processing for tape
  Find out what happens to your tape when you close a tape file.
• User label processing
  Understand the basics of how user labels work.