ULI101 - Introduction to UNIX/Linux and the Internet

Outline info
Last revision date 2018-07-20 12:01:50.162
Last review date 2018-07-20 12:02:05.114

Subject Title
Introduction to UNIX/Linux and the Internet

Subject Description
Unix and Linux represent the operating system technology underlying many of the services of the Internet. This subject introduces students to Unix, Linux and the Internet. Students will learn the core utilities to work productively in a Linux environment. Students will do this work using the shell, at the same time learn to configure their login accounts, manipulate data stored in files, effectively use Linux commands and utilities, and write simple shell scripts.

Credit Status
1 credit (3 units)
Required for CPA - Computer Programming and Analysis (Ontario College Advanced Diploma)
Required for CTY - Computer Systems Technology (Ontario College Advanced Diploma)
Required for CPD - Computer Programmer (Ontario College Diploma)
Required for CNS - Computer Networking and Technical Support (Ontario College Diploma)

Learning Outcomes
Upon successful completion of this subject the student will be able to:

1. Execute Linux commands to manage files and directories.

2. Edit text files using common text editors in order to configure the system and write scripts.

3. Write shell scripts to solve programming problems, including customizing user environments to improve working efficiency.

4. Describe the directory layout of a typical Linux system in order to maintain and secure Unix directories and files.

5. Use Linux pipes and file redirection to manipulate data.

6. Form simple regular expressions to define patterns.

Essential Employability Skills
Communicate clearly, concisely and correctly in the written, spoken and visual form that fulfils the purpose and meets the needs of the audience.

Respond to written, spoken, or visual messages in a manner that ensures effective communication.

Execute mathematical operations accurately.

Apply a systematic approach to solve problems.

Use a variety of thinking skills to anticipate and solve problems.

Locate, select, organize, and document information using appropriate technology and information systems.

Analyze, evaluate, and apply relevant information from a variety of sources.

Manage the use of time and other resources to complete projects.

Take responsibility for one's own actions, decisions, and consequences.

Cheating and Plagiarism
Each student should be aware of the College's policy regarding Cheating and Plagiarism. Seneca's Academic Policy will be strictly enforced.

To support academic honesty at Seneca College, all work submitted by students may be reviewed for authenticity and originality, utilizing software tools and third party services. Please visit the Academic Honesty site on http://library.senecacollege.ca for further information regarding cheating and plagiarism policies and procedures.

All students and employees have the right to study and work in an environment that is free from discrimination and/or harassment. Language or activities that defeat this objective violate the College Policy on Discrimination/Harassment and shall not be tolerated. Information and assistance are available from the Student Conduct Office at student.conduct@senecacollege.ca.

Accommodation for Students with Disabilities
The College will provide reasonable accommodation to students with disabilities in order to promote academic success. If you require accommodation, contact the Counselling and Disabilities Services Office at ext. 22900 to initiate the process for documenting, assessing and implementing your individual accommodation needs.


Topic Outline

  • Introduction to Unix and Linux - 10%
    • The role of an Operating System
    • Unix and Linux history
    • Software licensing
    • Account maintenance
    • User interface
    • Window managers
    • Common GUI applications
    • The terminal window
    • Basic commands
    • Linux distributions
    • Running your own Linux (Live media)

  • Networking and Internet Overview - 10%
    • Internet history and overview
    • The World-Wide Web
    • Basic networking concepts
    • Electronic communication
    • SSH (ssh, scp, sftp)

  • Common Utilities - 10%
    • Simple Filters (head, tail, sort, diff)
    • Advanced filters
    • Command aids (file, which, find)
    • Printing (lpr, lpq, lprm)
    • Useful commands (echo, date, who)
    • Online system information (man)

  • Unix File System - 10%
    • File hierarchy
    • Managing files and directories (ls, cat, more, less, rm, cd, cp, mv, mkdir, rmdir)
    • Kinds of files (directory, ordinary, linked)
    • Filenames (hidden files)
    • Storage quota information (quota)
    • Absolute and relative pathnames (pwd)
    • Access permissions (chmod)

  • Shell Basics - 20%
    • Common shells
    • Command execution
    • Command line editing (correcting mistakes, recalling commands)
    • Process management
    • Standard input and output
    • File redirection and piping (<, >, >>, l)
    • Ambiguous file references (?, *, [ ])
    • Quoting special characters
    • Common environment variables (HOME, ~, PATH, PS1, USER, TERM, PWD)
    • Startup files
    • Introduction to scripting concepts
    • Command execution via scripts
    • Script arguments

  • Text editing- 5%
    • Unix text file format
    • Common editors
    • The vi editor

  • XHTML - 20%
    • Overview of XHTML
    • Common tags
    • Tables
    • Lists
    • Webpage presentation
    • Forms

  • Regular Expressions – 10%
    • Basic regular expressions
    • Using regular expressions with vi
    • Using regular expressions with grep

  • Data Representation - 5%
    • Data representation conepts
    • Numbering system conversions

Mode of Instruction
Classroom lectures and discussions are supplemented by lab sessions with the instructor, reinforced by assigned readings and assignments between classes.

It is the student's responsibility to save documents, articles and notes that the instructor has provided on BlackBoard or in class. Students will not be able to access BlackBoard as of the last day of the student’s class.

Prescribed Texts
A Practical Guide to Linux Commands, Editors, and Shell Programming, Mark G. Sobell; (3rd Edition)
ISBN# 9780133085044

Reference Material
HTML, XHTML and CSS Sixth Edition: Visual Quickstart Guide, 8th edition, Author: Elizabeth Castro, Publisher: Peachpit Press,  ISBN: 9780321430847

Unix for The Impatient, Author: Paul W. Abrahams, Publisher:Pearson, ISBN: 9780201419795 

Promotion Policy

Grading Policy
A+ 90%  to  100%
A 80%  to  89%
B+ 75%  to  79%
B 70%  to  74%
C+ 65%  to  69%
C 60%  to  64%
D+ 55%  to  59%
D 50%  to  54%
F 0%    to  49% (Not a Pass)
EXC Excellent
SAT Satisfactory
UNSAT Unsatisfactory

For further information, see a copy of the Academic Policy, available online (http://www.senecacollege.ca/academic-policy) or at Seneca's Registrar's Offices.

Modes of Evaluation
Since this is a professional credit subject, marking standards reinforce professional practice by demanding legible, tidy work. Written materials should be well organized and grammatically correct, with proper spelling and punctuation.


  • Students must retain a duplicate of all assignments.
  • Computer assignments should be documented to the instructor's standards.
  • Assignments must be handed in on the scheduled due date. Late assignments are penalized.
  • For particulars, please obtain standards, dates, etc. from your instructor.

Absenteeism and Tests
  • Students should be aware that absenteeism will impact on their ability to achieve satisfactory grades.
  • If you miss a test, you must provide the reason in writing to the instructor prior to the next scheduled class. If your reason is accepted, you will be permitted to write a make-up test. Otherwise, you will be given a zero for the test. You must submit an original doctor’s certificate identifying the date, length of time of expected absence and the specific reason for your absence, or other appropriate documentation.
Term Work and Final Exam
  • Students must attain a combined grade of at least 50% on term work and the final exam. Students must pass the final exam in order to pass the subject
  • For further information on evaluation and academic standing, see a copy of the Academic Policy available at Seneca registration offices.

Grading is based on the following marking scheme:
Assignment (minimum of 2) 25%
Tests (min. 2) 30%
Labs (min. 3) 15%
Final Exam 30%


Approved by: Denis Gravelle