I tried this "manually" in terminal Man cp >~/mydoc.txt But the result includes some "stuttering", so I'm wondering about the what would happen if I tried to use this with do shell script. CAT(1) System General Commands Manual CAT(1) N NA AM ME E c ca at t - concatenate and print files S SY YN NO OP PS SI IS S c ca at t [- -b be en ns st tu uv v] [- -] [_ f_ i_ l_ e _ ._ ._ .] D DE ES SC CR RI IP PT TI IO ON N The c ca at t utility reads files sequentially, writing them to the standard output. The _ f_ i_ l_ e operands are processed in command line order. A single dash represents the standard input.