现在很多大公司都采用ClearCase和ClearQuest来管理代码版本和bug，这是公司内部ClearCase和ClearQuest的培训文档，对使用ClearCase和ClearQuest有很好的指导作用。-Now many large companies are using ClearCase and ClearQuest to manage code versions and bug, this is a company training document ClearCase and