Wine is animplementationof the WindowsAPI on top of Xand Unix. Itdoes notrequireMicrosoftWindows, butcan use nativeWindows DLLs ifthey areavailable. Itprovides both adevelopmenttoolkit forporting Windowssource code toUnix as well asa programloader,allowing manyunmodifiedWindowsprograms to runon x86-basedUnixes.
Bochs is apowerfulx86/amd64hardwareemulation anddebuggersoftware. Besides the CPUand instructset extensions,it simulatescommon PC/AThardware, anISA and PCIsystem bus,memory, disks,video hardware,ethernet, andenough of acompatible BIOSto runDOS/Winows,Linux/BSD,Minix and otheroperatingsystems. Itdoesn'tprovidevirtualization,thus runsextremely slow,but is safe torun for thehost operatingsystem.
Wine is an implementation of the Windows API on top of X and Unix. It does not require Microsoft Windows, but can use native Windows DLLs if they are available. It provides both a development toolkit for porting Windows source code to Unix as well as a program loader, allowing many unmodified Windows programs to run on x86-based Unixes.
Bochs is a powerful x86/amd64 hardware emulation and debugger software. Besides the CPU and instruct set extensions, it simulates common PC/AT hardware, an ISA and PCI system bus, memory, disks, video hardware, ethernet, and enough of a compatible BIOS to run DOS/Winows, Linux/BSD, Minix and other operating systems. It doesn't provide virtualization, thus runs extremely slow, but is safe to run for the host operating system.