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-Hi. In this video,
we are going to have a look

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at how you can basically customize
the startup of your Pharo image.

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In order to do so, first we are going to
have a look at the StartupAction class.

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So, StartupAction.
This is how it is used.

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On startup, Pharo will call
a StartupPreference

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in order to run
a specific series of startup actions.

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In order to see this, what I am going
to do is to plug in StartupAction.

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In order to find them, you go to your
Pharo environment, System, Startup,

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Version Preferences folder.
And from there,

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you select Create file
and you name your file "startup.st".

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Press OK.

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For now, what I will do is copy a piece
of code that should remove the logo.

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You can see that basically it is
consisting of a StartupPreferencesLoader

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that will execute
a series of startup actions.

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This one is named "Logo" and you can
plug any piece of code you want.

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So, they are simply
"showDesktopLogo: false".

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I will remove this Pharo logo
in the background. I will save this.

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You can quit this.
Now juste save and quit.

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Go back to our Pharo launcher,
double click on your image,

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and you can see
that the logo has disappeared.

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You can plug in any code you want.

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You might log your GitHub credentials
for example

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or if you want to change the color
to some colors you like better.

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You can do what you want.
This is how it is done.

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If we want to revert it,
what we will have to do

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is to go back to System. I can change
it there by going to startup.st.

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For example, if we would like the logo
to come back, we set it to "true".

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You do not have to close
and reopen your image.

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You can simply go to Run startup script.
And our logo is back again.