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After doing some research, I found that I can quickly set configuration options using the gsettings command in the terminal, instead of installing dconf-editor or gconf-editor or CCSM.

But we need the SCHEMA/PATH and KEY to set the value.
Syntax is:

gsettings set SCHEMA[:PATH] KEY VALUE

For example to never auto-hide the launcher:

gsettings set com.canonical.Unity2d.Launcher hide-mode 0

And, for windows not to overlap the launcher:

gsettings set com.canonical.Unity2d.Launcher use-strut true 

So, where can I get a list of all the SCHEMA / PATH / KEY that can be set with gsettings?

No, please don't suggest the gsettings list-keys command, because I don't know the possibly hundreds of schema available.

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up vote 16 down vote accepted

gsettings list-schemas gets you all the schema. You can also use gsettings list-recursively for what you want but this program will list all the values for all the keys for all schemas:

# Gnome 3 can be customised from the command line via the gsettings command
# This script should help you to find what you're looking for by
# listing the ranges for all keys for each schema

for schema in $(gsettings list-schemas | sort)
    for key in $(gsettings list-keys $schema | sort)
        value="$(gsettings range $schema $key | tr "\n" " ")"
        echo "$schema :: $key :: $value"

Expanding on your example test | grep com.canonical.Unity2d.Launcher yields

com.canonical.Unity2d.Launcher :: edge-decayrate :: type i 
com.canonical.Unity2d.Launcher :: edge-overcome-pressure :: type i 
com.canonical.Unity2d.Launcher :: edge-responsiveness :: type d 
com.canonical.Unity2d.Launcher :: edge-reveal-pressure :: type i 
com.canonical.Unity2d.Launcher :: edge-stop-velocity :: type i 
com.canonical.Unity2d.Launcher :: hide-mode :: type i 
com.canonical.Unity2d.Launcher :: only-one-launcher :: type b 
com.canonical.Unity2d.Launcher :: reveal-mode :: type i 
com.canonical.Unity2d.Launcher :: super-key-enable :: type b 

You can reroute the output to a file for easy reading.

And for creative folks out there. Here is a list of possible options to gsettings that might help create other scripts.

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Rinzwind, Thank you for the additional useful information. I realized after I posted the question that a full list was available using the command gsettings list-recursively, but like you say, you have given great additional info for creative folks :) – Sri Jun 24 '12 at 13:33
If you want the keys' default value, this may be of interest:… – Zta Oct 5 '12 at 20:52
Very useful ! +1 – Serg Jun 16 '15 at 22:29

It's a bit late, but I just started wrestling with this privacy concern...

It looks like com.canonical.Unity.Lenses remote-content-search 'none' is the toggle you seek.

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The question asks about where we can get the list of complete Schema. You are providing the one which relates to privacy. This doesn't really answer the question that is asked. – Aditya Mar 18 '13 at 21:35

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