一、如果是Windows：
1、cmd使用命令：systeminfo | findstr /i "System Model"
如果System Model返回信息内：后面含有Virutal就是虚拟机，其他都是物理机
物理机输出：
C:UsersAdministrator>systeminfo |findstr /i "System Module"
System Boot Time: 8/20/2018, 06:30:23
System Manufacturer: LENOVO
System Model: 90DSCTO1WW
System Type: x64-based PC
System Directory: C:Windowssystem32
System Locale: zh-cn;Chinese (China)
2、或者用powershell命令：get-wmiobject win32_computersystem | fl model
二、如果是Linux：
1、在bash里输入：dmidecode -s system-product-name
或者lshw -class system
或者dmesg | grep -i virtual
如果结果返回包含virtual，则是虚拟机：
[youedata@localhost ~]$ dmesg |grep -i virtual
[ 0.000000] Booting paravirtualized kernel on Xen HVM
[ 1.034572] systemd[1]: Detected virtualization xen.
[ 1.065757] systemd[1]: Starting Setup Virtual Console...
[ 1.287144] xen_netfront: Initialising Xen virtual ethernet driver
如果返回如下，基于hardware，则说明是物理机：
[youedata@localhost ~]$ dmesg|grep -i virtual
Booting paravirtualized kernel on bare hardware
input: Macintosh mouse button emulation as /devices/virtual/input/input2