$ ls -al *.doc
-rw-r--r--  1 ken  staff  52 26 Feb 03:20 pm_1076103_1.doc
-rw-r--r--  1 ken  staff  52 26 Feb 03:22 pm_1076103_2.doc
-rw-r--r--  1 ken  staff  52 26 Feb 03:22 pm_1076103_3.doc

$ cat pm_1076103_1.doc
Doc 1 Line 1
Doc 1 Line 2
Doc 1 Line 3
Doc 1 Line 4

$ cat pm_1076103_2.doc
Doc 2 Line 1
Doc 2 Line 2
Doc 2 Line 3
Doc 2 Line 4

$ cat pm_1076103_3.doc
Doc 3 Line 1
Doc 3 Line 2
Doc 3 Line 3
Doc 3 Line 4