People often ask me how to change the language in GNU/Linux, but I wasn’t able to find a simple document explaining how to do it. So I decide to write a how-to about it:
How to Change the Language in GNU/Linux y UNIX
It’s available in HTML, PDF, and ODF). It’s a public domain document, which can be freely copied and modified. I also translated a Spanish version, which is also available in HTML, PDF, and ODF formats.