Data Structure Using C

Chapter 9

Files

CHAPTER OUTLINE

9.1 Data and Information

9.2 File Concepts

9.3 File Organization

9.4 Files in ‘C’

9.5 Files and Streams

9.6 Working with Files Using Stream I/O

9.7 Sequential File Organization

9.8 Direct File Organization

9.9 Indexed Sequential Organization

9.10 Choice of File Organization

9.11 Graded Problems

9.1 DATA AND INFORMATION

The ancient scratches on the rocks, writings on Ashoka pillars, the scriptures, and the caves of Ajanta and Ellora—all indicate that the human beings have a basic tendency to record information. The oldest records were made on clay tablets as long ago as 3700 BC. Most of the Indian scriptures were written on the thin sheets of bark of Bhojpatra, a tree found in the upper Himalayas. In second ...