VMware Tools Help : Components of VMware Tools : VMware User Process

VMware User Process
With the VMware user process, you can use such features as copy and paste, drag and drop, and Unity with VMware products that support these features.
On Linux guest operating systems, this process starts when you begin an X11 session. On Windows guest operating systems, it starts when you log in to the desktop. On either system, you can start it manually.
The program file for this process is called vmtoolsd.exe on Windows guest operating systems and vmware-user on Linux, Solaris, and FreeBSD guest operating systems. This process supports the following tasks: