From MorphOS Library
Clone - Reads the standard input or a file and writes it to both standard output and a specified file
FROM/K, COPYTO=TO, APPEND/S, IGNOREBREAK/S
FROM - File to read for the input COPYTO - File to write the output to APPEND - Appends the output to the existing file instead of writing over it IGNOREBREAK - Ignores break signals sent to the process
This is a DOS-style implementation of the 'tee' command from Unix-like operating systems.