Gambas is a free and open-source programming language that is perfect for beginners. It is a BASIC-like language that is designed to be easy to learn and use. Gambas is particularly popular among Linux users, as it is available on most Linux distributions. In this beginner's guide, we will explore the biography of Gambas, its writing guide, and the best applications for it.

Biography of Gambas:
Gambas was created by Benoît Minisini in 1999 as a way to create graphical applications on Linux. It was designed to be easy to use, yet powerful enough to create sophisticated applications. Gambas is written in C and is based on the BASIC programming language. It has since grown in popularity and is now used by developers around the world.

Writing Guide for Gambas:
Gambas is an object-oriented programming language that is based on the BASIC syntax. It is designed to be easy to learn and use, even for beginners. To write Gambas code, you will need a text editor and the Gambas development environment. Here is an example of a simple Gambas program:

```
Public Sub Main()
  Dim message As String
  message = "Hello, world!"
  Print message
End
```

This program declares a string variable called `message`, assigns it the value "Hello, world!", and prints it to the console. As you can see, Gambas syntax is similar to that of BASIC, making it easy for beginners to pick up.

Applications of Gambas:
Gambas is a versatile programming language that can be used to create a wide variety of applications. Some of the best applications for Gambas include:

1. Desktop applications - Gambas is perfect for creating desktop applications, such as text editors, image editors, and media players.

2. Games - Gambas can be used to create simple games, such as puzzle games and arcade games.

3. Automation - Gambas can be used to automate tasks, such as file management and system maintenance.

Conclusion:
Gambas is a free and open-source programming language that is perfect for beginners. It is based on the BASIC syntax and is designed to be easy to learn and use. Gambas can be used to create a wide variety of applications, including desktop applications, games, and automation tools. With its ease of use and versatility, Gambas is an excellent choice for anyone looking to get started with programming.