Not only that but the v7 man page actually uses the word catenate in the synopsis. cat - catenate and print https://www.unix.com/man-page/v7/1/cat/ https:

Not only that but the v7 man page actually uses the word catenate in the synopsis. cat - catenate and print https://www.unix.com/man-page/v7/1/cat/ https://www.unix.com/man-page/v7/1/cat/