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# Introduction
## Scope
The Kernel application has all the code necessary to run the Erlang runtime
system: file servers, code servers, and so on.
The Kernel application is the first application started. It is mandatory in the
sense that the minimal system based on Erlang/OTP consists of Kernel and STDLIB.
Kernel contains the following functional areas:
- Start, stop, supervision, configuration, and distribution of applications
- Code loading
- Logging
- Global name service
- Supervision of Erlang/OTP
- Communication with sockets
- Operating system interface
## Prerequisites
It is assumed that the reader is familiar with the Erlang programming language.
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