What files are ignored by the collation software?
Some files are deliberately ignored, such as files whose names end in a tilde or pound sign, or which begin with a period. Examples of such files include foo~, foo#, and .foo. They are commonly produced as back-up files by text editors on Unix systems, or are files that are normally hidden from view. Folders with the names upcoming and lastweek are also ignored by the collation software. These folders can be used to hold files that you don’t want collated.