Open Source Software — CSCI-4961-01 — Summer 2018
Quiz 1
June 28, 2018
Name:
@rpi.edu RCS ID:
RIN#:
Honor pledge: On my honor I have neither given nor received aid on this exam.
Please sign here to indicate that you agree with the honor pledge:
Instructions:
• Clearly print your name, RCS ID (in all caps.) and your RIN at the top of your exam.
• This test is open book, open notes and open computer. You may not use the internet. Please turn off your
wifi.
• There are 7 questions on this test worth a total of 95 points.
1. Short answers (18 pts)
(a) Richard Stallman defines free software as possessing four essential freedoms. Please list them below. (12
pts)
i.
ii.
iii.
iv.
(b) Open source licenses generally fall into two basic types: Copyleft and Permissive. Please define Copyleft
and Permissive licenses below. (6 pts)
i. The characteristics of a Copyleft license are:
ii. The characteristics of a Permissive license are:
2. Please indicate whether each of the following licenses or licensing scenarios results in a permissive, copyleft,
proprietary or public domain (12 points):
(a) Licensed with GPL:
(b) Licensed with BSD:
(c) An integration of two open source projects one licensed copyleft and the other licensed permissive:
(d) No license:
3. For each question below, circle the best answer (12 pts)
(a) Which command shows you a summary of all commits into a git repository?
i. git branch
ii. git status
iii. git checkout newbranch
iv. git log
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(b) Literate programming:
i. Is well structured code with minimal comments
ii. Cannot express complicated algorithms
iii. Mixes code and comments in an easily human readable format
iv. Is a failed development methodology
(c) Open or Free software:
i. Cannot be used for a commercial purpose
ii. Can be redistributed either for free or for a fee
iii. Can be sold, but only for the nominal cost of the media used to store it
iv. Must be maintained by unpaid volunteers
(d) It is a good idea when selecting an open source license to:
i. Go to an authority such as the OSI and pick an approved license
ii. Create a new license from scratch because it is unlikely that an existing license would meet your needs
iii. Just place the code in a public repository. Easily available code is the same as open
iv. Take an existing, approved license and modify to better represent your unique personality
4. Give a sequence of git commands to accomplish the following (you can assume that you are always working on
the “master” branch”) (15 pts):
(a) Create a new git repository on your local machine.
(b) Assume you have a new file “foo.txt” in your local directory. Add this file to your repository.
(c) Set up your repository to communicate with a public repository at “https://www.mypublicrepository/public.git”
(d) Send your changes to the public repository
(e) Assume someone else makes changes to the repository. Add the changes in the public repository into your
local version.
Write git commands below:
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5. Write markdown to duplicate the document below. You can assume the photo name is “photo.jpg” (15 pts):
Write Markdown commands below:
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6. Assume you have 3 source files a main file “prog.c” and two additional files“f1.c”, and “f2.c” containing code
that “prog” depends upon. Write a Makefile that creates object files for all 3 sources, creates a library containing
the code from “f1.c” and “f2.c”, and then appropriately creates an executable named “prog.exe”. Make sure
your Makefile contains appropriate “all” and “clean” targets. (15 pts):
Write your Makefile below:
7. Repeat the previous exercise for CMake. (8 pts):
Write your CMakeLists.txt file below:
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