erlang / otp

# Erlang/OTP
**Erlang** is a programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability. 
**OTP** is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs. Learn more about Erlang and OTP.
Learn how to program in Erlang.
## Examples
There are several examples on the website to help you get started. The below example defines a function `world/0` that prints "Hello, world" in the Erlang shell:
 [code] 
Save the file as `hello.erl` and run `erl` to enter the Erlang shell to compile the module.
 [code] 
Learn more about the Erlang syntax of modules, functions and expressions on Erlang.org.
## Installation
### Binary Distributions
Erlang/OTP is available as pre-built binary packages by most OS package managers.
 [code] 
### Compiling from source
To compile Erlang from source, run the following commands. The complete building and installation instructions can be found here.
 [code] 
Checkout the branch or tag of your choice
 [code] 
Configure, build and install
 [code] 
Alternatively, you can use Kerl, a script that lets you easily build Erlang with a few commands.
## Bug Reports
Please visit our GitHub Issues page for reporting bugs. The instructions for submitting bugs reports can be found here.
### Security Disclosure
Please do not report security vulnerabilities through public channels, like
GitHub issues, discussions, or pull requests.
Please disclose the security issues following our SECURITY guidelines.
## Contributing
We are grateful to the community for contributing bug fixes and improvements. Read below to learn how you can take part in improving Erlang/OTP. We appreciate your help!
### Contribution Guide
Read our contribution guide to learn about our development process, how to propose fixes and improvements, and how to test your changes to Erlang/OTP before submitting a pull request.
### Help Wanted
We have a list of Help Wanted bugs that we would appreciate external help from the community. This is a great place to get involved.
## Awesome-Erlang
You can find more projects, tools and articles related to Erlang/OTP on the awesome-erlang list. Add your project there.
## License
Erlang/OTP is released under the Apache License 2.0.
For any license inquiry, please send an email to opensource@ericsson.com
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> Licensed under the Apache License, Version 2.0 (the "License");
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