Official website of the Lua language about news get started download documentation community site map português designed and developed at

Lua is very easy to build and install. There are detailed instructions in the package but here is a simple terminal session that downloads the current release of Lua and builds it in common platforms:

Lua is a powerful and fast programming language that is easy to learn and use and to embed into your application. Lua is designed to be a lightweight embeddable scripting language.

Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports several programming styles: procedural, object-oriented, functional, data-driven, and data description.

The official definition of the Lua language is its reference manual, which describes the syntax and the semantics of Lua, the standard libraries, and the C API.

Dec 22, 2025 · The official definition of the Lua language is its reference manual, which describes the syntax and the semantics of Lua, the standard libraries, and the C API.

Nevertheless, Lua is still the same language; most things that we will see here are valid regardless of how you are using Lua. For a start, we recommend that you use the stand-alone interpreter (that is, …

Lua compares strings in alphabetical order, which follows the locale set for Lua. For instance, with the European Latin-1 locale, we have "acai" < "açaí" < "acorde".

Lua 5.4 Reference Manual The reference manual is the official definition of the Lua language. For a complete introduction to Lua programming, see the book Programming in Lua.

Lua is free software, and is provided as usual with no guarantees, as stated in its license. The implementation described in this manual is available at Lua's official web site, www.lua.org. Like any …