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<div><span></span><span style="color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);">Which utility does ubuntu use to checkout the packages which need to change when upgrade the ubuntu. For example£¬from ubuntu15.04 to ubuntu15.10,How did I know the detail information about the package which need to another version ?</span></div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>yankun@iscas.ac.cn</div></div></span></div>
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