Seeking advice/help for custom linux requirement

[Nipun Pruthi]

I need to make a custom version of linux with following requirements:

1. When turned on, it will open a prespecified website in a browser.
2. User can't open any other website or application, can't minimize the
browser.
3.  Whenever someone tried to open Terminal, it will ask for "Admin
password".
4. Finally, I want to make a raw image for raspberry Pi.


Nipun Pruthi
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