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 guests, this process starts when you begin an X11 session. On Windows guests, 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 VMwareUser.exe on Windows guests and vmware-user on Linux, Solaris, and FreeBSD guests. This process supports the following tasks: