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.
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.
Information on building and installing Erlang/OTP can be found in the [$ERL_TOP/HOWTO/INSTALL.md] 5 document.
Here are the [instructions for submitting patches] 2.
In short:
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Submit your patch by opening a new Pull Request.
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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 Help Wanted.
Please look at the [instructions for submitting bugs reports] 6.
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