As its name, you can obtain a command block through commands. Make sense, right? There are 2 commands you can type in the chat (press T or Enter) to get a command block: /give @s minecraft:command ...

Minecraft is filled with little bits of programming for players to mess around with, and things get really wild when you learn how to use command blocks. You can literally make working cars with them ...

Driveable Minecraft ship made entirely with command blocks This driveable Minecraft ship isn't just a sight to behold in the sandbox game, but is also made entirely without mods and can be sailed ...

Using command blocks, a Minecraft user manages to make heads spin, as they show a project they've been working on that's pretty mind-boggling.

A YouTuber makes an 8x8x8 fully 3D-rendered Minecraft world in Minecraft with no command blocks, no data packs, and no mods.

Minecraft players can turn off mobs in their server settings, using commands, or they can even turn off individual monsters using Command Blocks.