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COMP2560 - System Programming

Question

Answered

Question 1:

Using only standard I/O functions(like fopen(), fseek(), ftell(), fgets(), etc.), write a C program to reverse the order of the lines in a text file. That is the first line becomes last, the second line becomes the one before the last one and so on.
Note: your program should have two arguments, the input file name and the

output file name.
Call model: reverseFile <inputFileName> <outputFileName>

Example:

Input file:
Hello
I am happy to see you

Output file:
I am happy to see you
Hello

Question 2:
Discover what happens within a parent process when a child closes a file descriptor inherited across a fork. In other words, does the file remain open in the parent, or is it closed there? write a program to investigate the answer.
Note that you not only need to give the answer to the question asked, but also you need to write a program to demonstrate/support how you obtain your answer (for example, write a program such that in the parent process, you open a file, sleep , and then in the child process, you close the file, then back in the parent process, check if the file is still accessible in the parent process).

COMP2560 - System Programming

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CTEC5807 Malware Analysis

Question: The learning outcomes that are assessed by this coursework are: 1. Identify and analyse malware using appropriate procedures, tools and techniques 2. Interpret and communicate the significance of malware behaviour to decision makers 3. Distinguish and critically compare malware deliver ...

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Given the following Java statement: ArrayList<String> grade = new ArrayList<String>(); A) Insert the letter A to the array. B) Insert the letter B to index 0. C) Write the Java statement to check the size of the grade list.   ...

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7COM1084 Advanced Research Topics in Computer Science

Assignment Brief: As an MSc research student, you are expected to understand how other areas of computer science relate to your chosen specialism. You must have a grasp of significant current open problems in other specialists, as well as an understanding of how techniques and methods from other res ...

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7COM1081 Software Development Exercise

Using the grid in Part 1 of the ‘CW1 templates’ document, elicit functional requirements via four user stories.For the “As a…” part of the user story template, choose primary stakeholders that you identify from the case study (see Section 1 of this document). One stake ...

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