CMUCL User’s Manual

Robert A. MacLachlan, Editor

October 2017

cmucl is a free, high-performance implementation of the Common Lisp programming language, which runs on most major Unix platforms. It mainly conforms to the ANSI Common Lisp Standard. cmucl features a sophisticated native-code compiler, a foreign function interface, a graphical source-level debugger, an interface to the X11 Window System, and an Emacs-like editor.

Keywords: lisp, Common Lisp, manual, compiler, programming language implementation, programming environment

This manual is based on CMU Technical Report CMU-CS-92-161, edited by Robert A. MacLachlan, dated July 1992.