System security and administration | Computer Science homework help

csc3412 Assignment 3 Semester 1, 2014 Due Date: Midnight 09 June 2014, AEST This assignment consists of 3 questions each of equal value. They consist of common tasks required of a system administrator|tasks I have had to do at some time in the past. Clear Layout It is vitally important that your assignment is clearly laid out with questions and parts of questions clearly dened. It must be a straight forward matter for the examiner to determine that you have completed each exercise satisfactorily. We want quality not quantity. Poorly organised submissions will be rejected or receive a poor mark. A text le or PDF/A document typeset using vanilla LATEX are preferred over a document produced by a word-processor. If you must use Microsoft Word please export your document as PDF/A1 not PDF. Command Output When answering these questions you will have to run commands under Linux|whenever a command is run you will need to: a. explain in your own words the purpose of the command in the context of the assignment question. (Please do not just copy the Description” section from the man page!) Also, you need to explain in your own words all terminology used|as if you were explaining to an average user! (Please show you understand what you are doing!) b. show that the command worked|either from its output or the output from another command. For example prompt> dd if=/dev/zero of=Crypt.fs bs=1M count=32 32+0 records in 1 PDF/A is an archival format of PDF that embeds all fonts used in the doc- ument within the PDF le. To ensure PDF/A format in Word check ISO- 19005-compliant (PDF/A)” under Options” when saving a le as PDF. 32+0 records out 33554432 bytes (34 MB) copied, 0.109063 s, 308 MB/s prompt> ls -l Crypt.fs -rw-r–r– 1 user user 33554432 2010-02-25 10:18 Crypt.fs c. To capture text output from programs you will have to redi- rect the output to a le or use the command script. If you are using the command script turn othe tty escape se- quences that change the colour of…