eCos—which means the "Embedded Configurable Operating System"—is an open-source RTOS for deeply embedded applications. Deployed in a diversity of markets and devices, eCos' popularity is a result of a variety of commercial and technical advantages over competing RTOS offerings. (eCos，意思是“嵌入式可配置操作系统”，是一个用于深度嵌入式应用的开源实时操作系统 (RTOS)。 eCos 被部署在各种市场和设备中，其受欢迎程度源于与竞争对手的 RTOS 产品相比，它具有各种商业和技术优势。)