Hi, Renaming with mv over existing file leaves .cyg000000xyz files behind I have noticed this when renaming on a smb mounted directory (AKA network drive). cygwin version: 3.2.0(0.340/5/3) windows version: Server 2012 R2 mv version: (GNU coreutils) 8.26-2 samba server version: 3.0.33 (RHEL5) Regards, Ronald.