1) VMware snapshot feature
Create restore point: Right--->snapshot (backup to current virtual machine system)
2) virtual machine and External system call
Find the path: Darwin under/vmware/vmware workstation
Select the menu item vm-->rmmovable devices-->dvd-->setting (connect tick)-check darwin.iso-->finish
Go to My Computer--copy VMware tools to any folder--install VMware Tools
Download vmsvga2_v1.2.5_os_10.6-10.8.pkg (video card toolkit to prevent huaping) from being made into an image file (tool: UltraISO)
Select the menu item vm-->rmmovable devices-->dvd-->setting (connect tick)-check vmsvga2_v1.2.5_os_10.6-10.8.iso--> Finish
Restarting the MAC system does not come out: Ctrl+alt
System Preferences--display--Adjust your own resolution
Right--->setting-->options-->shared Folder on Mac system virtual machine (VMware Tools must be installed)-->always enabled-check Create a shared directory (create a folder on the native system, named Shared_win_mac,readonly cannot tick)-->finish
iOS virtual machine installation (iii)