At first, APM (advanced power management) and hibernation function in Windows2000 are reviewed and the disadvantage is pointed out. Then we interpret the software implementation of hibernation in Linux step by step.

• 对高级电源管理进行了阐述,介绍了Windows2000下休眠功能,指出了其不足,详细解释了如何在Linux下用软件实现休眠功能。