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Explains how to use a password protected .zip file to distribute instructor materials for a Connexions collection used as a textbook for a course.

Instructor materials

Publishers, in conjunction with authors, usually create a variety of supplemental materials for a textbook. These materials can consist of:

  • Test Banks
  • PowerPoint Presentations
  • Additional Problems and Exercises (not included in the textbook)
  • Solutions for Textbook and Supplemental Problems and Exercises
  • Other items

Because these materials usually include solutions, publishers usually deliver this item via a CD that is available only to professors or instructors. Connexions authors that create a collection that will be used as a textbook for a course desire to deliver the publisher equivalent of instructor materials. The ability to distribute these materials via a Connexions module is hampered by the open Creative Commons Attribution License of CC-BY that the Connexions Project uses. The problem: How can we distribute instructor materials?

Distribution solution

Create a module that contains a password protected .zip file. Make the .zip file downloadable from a Connexions module. Require, professors and instructors to acquire the password directly from you, the author of the textbook. Direct them to the software needed for unlocking the .zip file.

Create the .zip file

Organize your materials in a folder. We will use “Sample-CNX” for the folder name as the example for this module. I will place a few Microsoft files (Word, Excel and PowerPoint) in this folder and create at least one sub-folder. You should name and create your folder, including sub folders and files as appropriate to your course materials.

Create Zip File

Password protect the zip file

There are several software products available for password protecting files. You should choose a product that is available free of charge for others to use. They will need the software to be able to un-encrypt the .zip folder. We choose: Encrypt Files v1.5 which is available via the link for Encrypt Files at: (External Link) NOTE: If you click on this link you will need to back space the browser in order to return to this Connexions module.

After installing the software we followed the directions to encrypt the .zip file and we used the password of: 1234567890klb

Create a connexions module

We recommend that you do not include the “Instructor Materials” module within your textbook but make reference to the module by name and Connexions module number in the preface to your collection. This will keep the .zip file from being included in the multi-media download .zip associated with the collection that students would normally download.

Make sure to include in this module:

  • the software download information – Included above.
  • the encrypted .zip file – Included below.
  • your email address where professors and instructors can contact you for the password – The password is included above for your convenience.

To download the encrypted .zip folder you would usually provide a link to that file. However, you won’t know what the exact links is until you have created the module. For now use a link similar to the one that follows.

Click to download: Sample-CNX.zip

Building the connexions module and fixing the download link

This module was built from a Microsoft Word document. After we upload the file to build the initial web page, we will also upload the Sample-CNX.zip file to the files area. Once we create the module and have a module number, we will need to fix the link with that module by editing it.

Uploading the File

After you have “Published” the module, check-out the module and edit the module in the “Full-Source Mode” changing the link making sure to use your module number and file name.

Editing the Link


<link document="m33255" version="Sample-CNX.zip">Sample-CNX.zip</link>


<link url="http://cnx.org/content/m33892/latest/Sample-CNX.zip">Sample-CNX.zip</link>

Re-publish the module

You should double check to make sure that everything is working properly by downloading your .zip file and seeing if you can un-encrypt it.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
Nasa has use it in the 60's, copper as water purification in the moon travel.
nanocopper obvius
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
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Source:  OpenStax, Ideas and tools for improving connexions modules and collections. OpenStax CNX. Mar 22, 2010 Download for free at http://cnx.org/content/col11184/1.2
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