option description cp -a archive files cp -f force copy by removing the destination file if needed cp -i interactive - ask before overwrite cp -l link files instead of copy cl -L follow symbolic links cp -n no file overwrite cp -R recursive copy (including hidden files) cp -u update - copy when source is newer than dest cp -v verbose - print informative messages -i : 복사될 파일이 이름이 이미 존재할 경우, 사용자에게..