You can get a command block in your Minecraft world using a special chat command. You'll need to have both Cheats and Creative Mode enabled in your Minecraft world to ...

Command Blocks are special blocks in Minecraft that you can use to execute commands. These can be customized to do a variety of things to automate things on your Minecraft server. Players can do ...

Minecraft’s chat window doubles as a console, granting a lot of power to the player in both Bedrock and Java Editions. With several commands at their disposal, one can bend a few rules in the game, ...

Minecraft's command blocks allow players to automate console commands, but they are hard to find, so this guide shows how to get them.

This is possible to a degree by using in-game commands made available by enabling cheats. However, this command won't necessarily change a biome's blocks, but an area's biome classification.