Erlang/OTP

Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecom, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance.

OTP is set of Erlang libraries and design principles providing middle-ware to develop these systems. It includes its own distributed database, applications to interface towards other languages, debugging and release handling tools.

ERTS and BEAM

BEAM is the name of the virtual machine where all Erlang code is executed. Every compiled Erlang file has the suffix .beam. The virtual machine is sometimes referred to as the emulator.

ERTS is the Erlang Runtime System where the BEAM, kernel and standard libraries amongst others are included.

More information can be found at [erlang.org] 1.

Building and Installing

Information on building and installing Erlang/OTP can be found in the [$ERL_TOP/HOWTO/INSTALL.md] 5 document.

Contributing to Erlang/OTP

Here are the [instructions for submitting patches] 2.

In short:

• Submit your patch by opening a new Pull Request.

• Go to the JIRA issue tracker at [bugs.erlang.org] 7 to see reported issues which you can contribute to. Search for issues with the status Contribution Needed.

Bug Reports

Please look at the [instructions for submitting bugs reports] 6.

Copyright and License

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Copyright Ericsson AB 2010-2014. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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