Update and make public more decks, even the WIP one

Author: ablwr

_presentations/digital-forensics.html

@@ -185,6 +185,8 @@
 # Learning more  
 
 - [Digital Preservation]({{ site.baseurl }}/presentations/digital-preservation.html) 
+- [File Formats]({{ site.baseurl}}/presentations/file-formats.html) 
+- [File Systems]({{ site.baseurl}}/presentations/file-systems.html) 
 - [Storage]({{ site.baseurl }}/presentations/storage.html) 
 - [Other Analysis Tools]({{ site.baseurl }}/presentations/other-analysis-tools.html) 
 

_presentations/file-formats.html

@@ -1,30 +1,77 @@
 ---
 layout: presentation
-title: WIP File Formats
-published: false
+title: File Formats
 ---
 This page intentionally left blank. ⬇️, ➡️, or spacebar 🛰 to start slidedeck.
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+class: middle
 
 # .center[💻 File Formats 💻]
 
-
 ---
 # ToC
 
+- What is a file?
 - What is a file format?
+- Magic numbers
+- File structures
 - Standardization
+- Registries
+
+---
+# Files
+
+Things that can be
+- Open
+- Read 
+- Changed
+- Closed
+- Permissions modified
+
+---
+# File Formats
+
+We have many different types of files! These are categorized into different formats, with different ways to determine what to do with the data inside the file.
+
+---
+# Magic numbers
+
+What separates a file from the rest of the binary landscape?
+### Magic numbers!
+Magic numbers are sometimes known as file signatures. They are a short string of hexadecimal code that  allow a file to identify itself as a certain type of file.
 
 ---
-# What is?
+# File structure
 
-http://exponentialdecay.co.uk/blog/genesis-of-a-file-format/
+- Magic numbers (file signature)
+- Header
+- Body (or payload)
+
+---
+# File standardization
+
+- Outlines all the rules required to follow to have a valid file
+- Can be standardized through a standards body (but not required)
+- Can be open (anyone can read) or closed (proprietary, only people in a company/organization can access)
+
+---
+# Standardization example
+
+A great resource for explaining how a file format is made, by Ross Spencer:
+[http://exponentialdecay.co.uk/blog/genesis-of-a-file-format/](http://exponentialdecay.co.uk/blog/genesis-of-a-file-format/)
 
 ---
 # Learning about file formats
 
 - [ArchiveTeam's File Format Wiki](http://fileformats.archiveteam.org)
 
+---
+# Registries 
+
+- [PRONOM](http://www.nationalarchives.gov.uk/PRONOM/Default.aspx) (UK National Archives)
+- [Format Descriptions](https://www.loc.gov/preservation/digital/formats/fdd/browse_list.shtml) (US Library of Congress)
+- [`file`](https://en.wikipedia.org/wiki/File_(command)) (Unix command)
+- [File Formats Wiki](http://fileformats.archiveteam.org/wiki/Main_Page) (ArchiveTeam)
 
 ---
 # Additional Resources
@@ -35,6 +82,7 @@
 # Learning more  
 
 - [Computers]({{ site.baseurl}}/presentations/computers.html)  
+- [Digital Forensics]({{ site.baseurl}}/presentations/digital-forensics.html)  
 - [File Systems]({{ site.baseurl}}/presentations/file-systems.html)  
 
 

_presentations/file-systems.html

@@ -1,13 +1,17 @@
 ---
 layout: presentation
-title: WIP File Formats
-published: false
+title: File Systems
 ---
 This page intentionally left blank. ⬇️, ➡️, or spacebar 🛰 to start slidedeck.
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+class: middle
 
-# .center[💻 File Formats 💻]
+# .center[💻 File Systems 💻]
 
+---
+# Warning
+
+This deck is still a work-in-progress! See the end of this for other, related issues while I work on this one, and thanks for your patience!
 
 ---
 # ToC
@@ -16,7 +20,7 @@
 - Standardization
 
 ---
-# What is?
+# What is this?
 
 https://en.wikipedia.org/wiki/Comparison_of_file_systems
 
@@ -35,11 +39,13 @@
 ---
 # Disk images
 
+## See the [Digital Forensics]({{ site.baseurl}}/presentations/digital-forensics.html) deck for information about these.
 
 ---
 # Learning more  
 
 - [Computers]({{ site.baseurl}}/presentations/computers.html)  
+- [Digital Forensics]({{ site.baseurl}}/presentations/digital-forensics.html)  
 - [File Formats]({{ site.baseurl}}/presentations/file-formats.html)  
 - [Networks]({{ site.baseurl}}/presentations/networks.html)