Bochs（发音：box）是一个以GNU宽通用公共许可证发放的开放源代码的x86、x86-64IBM PC兼容机仿真器和调试工具。它支持处理器（包括保护模式），内存，硬盘，显示器，以太网，BIOS，IBM PC兼容机的常见硬件外设的仿真。

许多客户操作系统能通过该仿真器运行，包括DOS，Microsoft Windows的一些版本, AmigaOS 4, BSD, Linux, MorphOS, Xenix和Rhapsody (Mac OS X的前身). Bochs能在许多主机操作系统运行，例如Windows, Windows Mobile, Linux, Mac OS X, iOS, PlayStation 2.

Bochs (pronounced "box") is a portable IA-32 and x86-64 IBM PC compatible emulator and debugger mostly written in C++ and distributed as free software under the GNU Lesser General Public License. It supports emulation of the processor(s) (including protected mode), memory, disks, display, Ethernet, BIOS and common hardware peripherals of PCs.