<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"><style>body { line-height: 1.5; }body { font-size: 10.5pt; font-family: ????; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body> <div><span></span>Hi:</div><div> How does the Ubuntu do with the the impact of os up-date.For example, there is so manty package (*.so) are changed between ubuntu15.04 and ubuntu15.10? What is the tools for developers?</div><div><span style="background-color: window; font-family: verdana; font-size: 10pt; line-height: 1.5;"><br></span></div><div><br></div> </body></html>