GitHub - fazeelkhalid/Operating-System_Assignment-1: 1) Write a C program that accepts a file name and a substring as command line argument and prints the number of occurrences of substring in the given file on the console. If the file does not exist, print some error on the screen. 2) Write a program to manage record of student registration on file. Enter your details and the details of two of your classmates. Roll no, Name and Email should be saved as student details. Example Record: Name: Waleed Akram Khan Roll No. L17-4268 Email: l174268@lhr.nu.edu.pk Take input via command line argument or user input. Your program should do the following: a. Allow Adding students b. Read student record from file. (Program must take input from user to read a record. E.g. “0” to read your record, “1” and “2” to read record of fellow student.) c. Delete student record in file. (Program must take input from user to delete a record. E.g. “0” to delete your record, “1” and “2” to delete record of fellow student.) 3) Write a program that reverses all the characters of words that are not vowels in a given file.

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1) Write a C program that accepts a file name and a substring as command line argument and prints the number of occurrences of substring in the given file on the console. If the file does not exist, print some error on the screen. 2) Write a program to manage record of student registration on file. Enter your details and the details of two of yo…

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Name		Name	Last commit message	Last commit date
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Question 2		Question 2
.gitattributes		.gitattributes
.gitignore		.gitignore
Assignment 01.pdf		Assignment 01.pdf
Question 1.c		Question 1.c
Question 3.c		Question 3.c