View virtual machines or physical machines

View a machine is a virtual machine

linux

dmidecode -s system-product-name === > Note: need root privileges

Physical machine:

DL 580
virtual machine:

VMware Virtual Platform

windows

Use systeminfo look under cmd environment

Physical machine:

System manufacturers: To be filled by OEM
System Model: To be filled by OEM
 

virtual machine:

System manufacturer: VMware, Inc.
System Model: VMware Virtual Platform