CHCP.com

Display or change device settings (by changing the Code Page)

syntax
      CHCP code_page

key
   code_page  A code page number (e.g. 437)  

This command is typically used to enable multilingual keyboard support

Affects FULL SCREEN DOS applications
In a cmd window press ALT, ENTER to switch screen mode.

Equivalent Linux BASH commands:

LANG environment variable - Used to determine the locale category for any category not specifically selected with a variable starting with LC_.