Definition: The term "tmux_noutf8.conf" refers to a configuration file for terminal management in Linux, specifically used by tmux (Terminal Emulator) applications. It's typically located under `/etc/terminfo` on a Unix-like system. The purpose of this file is to enable various features that can be applied to the terminal interface of tmux, such as setting window sizes, switching between windows, and activating external programs. This conf may include configurations like font files for colors, screen resolution, or even font encodings. It's useful in creating an efficient, flexible, and customizable terminal environment.