The Record & Debug Tool (rd) is a Rust language port of the rr-debugger/rr debugger. With rd you can record Linux program executions. Subsequently you can replay these executions back exactly and debug them in the gdb front-end. If you know how to use rr then you already know how to use rd. Why is it a good idea to port rr to Rust? See below. Current Status : The port is substantially complete and