This way, we can upgrade or enhance the ebuild system simply by editing the "ebuild" script, keeping the implementation details outside of the ebuild files. Here's a sample ebuild file for gzip

Sample methods include tagging high priority feeds so they appear in a separate folder or keeping work-related feeds in one folder and personal or just-for-fun feeds in another.

This paper makes an analysis on the whole sample and makes a conclusion as follows: there is not relativity between the quantity of stock-keeping and management performance in 2001,2002 and 2003.