Organize documents and fix links.

filesystem/extract.md

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+# Table of Contents
+
+- [Command Description](#command-description)
+- [Command usage](#command-usage)
+- [Example](#example)
+- [Operating system support](#operating-system-support)
+
+## Command Description
+
+This operation will analyze and find all filesystems in a media dump and extract the files that are contained
+in [supported filesystems.](../faq/filesystems.md)
+
+## Command usage
+
+```bash
+Aaru -d [true/false] -v [true/false] filesystem extract -h [true/false] -e [encoding] -O <options> -x [true/false] -n <namespace>
+```
+
+`-d, --debug [true/false]` shows debug output *(default false)*                
+`-v, --verbose [true/false]` shows verbose output *(default false)*                  
+`-h, --help [true/false]` shows help screen for the command instead of running it, ignores all other switches *(default
+false)*                       
+`-e, --encoding [encoding]` sets which encoding is used by the contents of the media dump *(default varies by
+filesystem)*        
+`-O, --options <options>` specifies comma separated name=value pairs of options to pass to output filesystem
+plugin            
+`-x, --xattrs [true/false]` extracts extended attributes if present *(default false)*          
+`-n, --namespace <namespace>` specifies namespace to use for filenames
+
+## Example
+
+```bash
+Aaru filesystem extract -x -e iso8859-15 mydisc.cue contents
+```
+
+## Operating system support
+
+| OS | Supported |
+|----|-----------|
+| FreeBSD | Yes  |
+| macOS   | Yes  |
+| Linux   | Yes  |
+| Windows | Yes  |