Objective Caml (OCaml) is an implementation of the ML language, based on the Caml Light dialect extended with a complete class-based object system and a powerful module system in the style of Standard ML. . This package contains only the runtime system needed to run bytecode executables. The 'ocaml' package contains the full development suite of Objective Caml. You may wish to install the 'ocaml-base-nox' package if you do not require any graphical capabilities for your runtime.