# [ANTLR](https://www.antlr.org/) | Distribution | Package | | ------------ | -------- | | Arch Linux | `antlr4` | | Ubuntu | `antlr4` | Add to `~/.bashrc`: ```bash # Arch Linux export classpath=".:/usr/share/java/antlr-complete.jar:$classpath" # Ubuntu export classpath=".:/usr/share/java/antlr4.jar:$classpath" ```