> For the complete documentation index, see [llms.txt](https://cpb.gitbook.io/book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cpb.gitbook.io/book/languages/lua/misc.md).

# Some interesting facts

* **Awesome WM** is mainly written in Lua and uses it as its configuration file format
* **Cheat Engine**, memory editor/debugger uses Lua to be embedded in its "cheat tables"
* **Conky**, a Linux system monitor, uses Lua for advanced graphics
* **CRYENGINE**, game engine, uses Lua for user scripts
* **Garry's Mod** uses Lua.

## Example of "Hello World" code written in Lua compared to other programming languages

### **Lua**

```lua
print("Hello World!")
```

### **JavaScript**

```javascript
"use strict"
console.log("Hello world!");
```

### Haskell

```haskell
module Main where

main :: IO ()
main = putStrLn "Hello, World!"
```

### **Python 3**

```python
print("Hello, world!")
```

### **Ruby**

```ruby
puts "Hello world!"
```