Pascal ABC

1. To create a typed random access file with records of a given structure.
2. For the created file to provide the ability to:
– changes the selected field of a record;
– remove the selected entry with the subsequent reduction in the size of the file;
– add an entry to an arbitrary position of the file;
– output file content in table format;
– execution specified in the setting option;
– delete the entire file upon completion of the program.

The record structure:
4 name of the teacher;
4 position;
4 number of publications;
4 number of presentations at conferences.
Identify professors, who have not less than a given number of publications and reports.

The people who rummages
Help please