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File Handling in C

Updated: 2026-07-05

Introduction

File Handling in C is a complete beginner-friendly tutorial on File Handling in C. It is designed for BTech, diploma, viva, practical exams and placement preparation.

Definition

File Handling in C is an important concept of C programming that helps students understand programming logic, syntax, memory and problem solving.

Real Life Example

Real-life example: A C program works like a recipe. Each statement gives one clear instruction to the computer.

C Program Example

#include <stdio.h>

int main(){FILE *fp=fopen("data.txt","w"); fprintf(fp,"C Programming"); fclose(fp); return 0;}

Output

Sample output will appear according to the program and input.

Viva Questions

  1. Define File Handling in C.
  2. Give one example of File Handling in C.
  3. What are common mistakes in File Handling in C?

MCQs

  1. File Handling in C belongs to which programming language? Answer: C Programming
  2. Which function is the entry point of a C program? Answer: main()