Operating Systems	Assignment 08	30 Mar 2022
Grading Criteria: For higher marks, write a concise (1 pages max using Ariel, TNR, or Calibri font size 12) and comprehensive answer with a very good use of operating systems vocabulary. Use this template for writing your answer. Do not change the margins. To create more space for your answer, remove the instructions table, and do not repeat questions in your answer. Where possible, the answer should be linked with the content in the textbook. Use of high-quality references (at least 2). Use Harvard or IEEE references style to provide citation information. You will be awarded a zero if the assignment is plagiarized.

Q1. Use the vi Editor to perform the following. [1 Mark]

1. Create and open a file in vi Editor with the name testfile. Provide screenshot of the command on the terminal.
2. Add 5 lines of text in the file. Provide screenshot of editing/inserting the text.
3. Save the file and exit.
4. On the terminal using a relevant command show the saved file or display its content. Provide a screenshot of this.

Q2. In the following output of the $ ls -l command, what do segments 1-8 indicate. [2 Marks]

Segment	What does it represent
1
2
3
4
5
6
7
8

Q3. What will the following commands do? One-line answer for each is expected. [2 Marks] A. $ chmod 764 sample B. $ chmod o=rwx sample C. $ sudo chown n100 sample.txt D. $ sudo chgrp root test1

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