What is the Windows equivalent of the Unix command cat?

I want to do exactly what unix "cat" does, but on my PC. Is there a simple equivalent command for the Windows command line?

Specifically I want to create a file from all the files of a given type in a folder

In Unix:

cat *fna >all_fna_files.fna

(which joins all the ".fna" text files into one big text file)

Comments

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