Introduction - If you have any usage issues, please Google them yourself
Each record consists of a student' s student number, name, sex, results of the course (semester subjects), the average score. 2) input: can be a complete number of records input. 3) display: the completion of all student records show. 4) Find function: complete search by name or student number of student records, and displays. 5) sorting: sort by average scores of students. 6) insertion: insert an average performance level of student records. 7) the student record exists in the file student.dat.