View Source erl The erl program starts an Erlang runtime system. The exact details (for example, whether erl is a script or a program and which other programs it calls) are system-dependent. NoteIf you are running Erlang/OTP 25 or earlier on Windows to start an Erlang system with full shell support you should use werl.exe. See the Erlang/OTP 25 documentation for details on how to do that. erl <arg

View Source erlang (erts v15.1.2) The Erlang BIFs and predefined types. By convention, most Built-In Functions (BIFs) and all predefined types are included in this module. Some of the BIFs and all of the predefined types are viewed more or less as part of the Erlang programming language and are auto-imported. Thus, it is not necessary to specify the module name. For example, the calls atom_to_list