Hot answers tagged file-management
If you did not create the directory /data/EPUB first then effectively what you did was rename each file, one at a time, to a file named /data/EPUB - overwriting the previous one each time. What you have now is not a "superfile", rather /data/EPUB is the final .epub file that was moved, and all other .epub files have been lost (as they were overwritten by ...
00000002 is a "safe save" file from Adobe Fireworks.
In address bar type chrome://flags. and search for Enable Download Resumption enable this option, restart your chrome browser and it will do the trick.
I call the icons the expand icon and the collapse icon, and the control with which the icons are associated the expand/collapse control. I'm not aware of a standard cross-platform name for it, although duDE's Microsoft-based answer seems entirely reasonable.
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