Step1: On Mac OS X, click "connect to server" and input smb://10.10.1.44 to connet to Linux PC via SMB.
Step2: Login and find there are two files: one names "1.txt" and one names "1~.txt".
Step3: Open 1.txt, and modify it, then save it.
After Step3, I find the 1~.txt is deleted automatically!
James, here's another one for you.
This is fixed in Leopard.