What does the 'mkdir' command do?

The 'mkdir' command is a fundamental utility in Linux used to create new directories. When executed, this command allows users to specify one or more directory names, and it will create a directory with each specified name within the current working directory or the path defined in the command.

For example, using the command mkdir new_folder creates a directory named 'new_folder' in the current directory. If you want to create multiple directories at once, you can list them all in the same command, like so: mkdir folder1 folder2 folder3. This versatility makes 'mkdir' an essential tool for organizing files and managing filesystem structure in Linux environments.

Understanding what 'mkdir' does is crucial for file management tasks, as it lays the groundwork for organizing data in a hierarchical manner. Therefore, the correct choice clearly describes the primary function of this command.