================================== $ cat large_file < file1.txt line1 of file1 line2 of file1 line3 of file1 line4 of file1 < file2.txt line1 of file2 line2 of file2 line3 of file2 < file3.txt line1 of file3 line2 of file3 line3 of file3 line4 of file3 ==================================