`erl` runs .beam files. To create these you must first compile your
erlang source file (.erl) with the `erlc` program.
Usage:
erl [arguments]
Arguments:
-pa Directory
Specifies a load path directory
-man Command
load the man entry for a command
-config File
Load a configuration file
-setcookie CookieName
Give this node a cookie name
-detached
Run this program in the background
-eval "some:code()."
Evaluate erlang code
-heart
Monitor this program and auto-restart it
-s Module [Function [Argument1, ... ArgumentN]]
Execute Module:Function(Argument1, ... ArgumentN)
Full Details: http://erlang.org/doc/man/erl.html
