
When a programmer creates a tool that do something it is not uncommon that he tries to choose a name that will remember the action easier. Referring to the article you cited, over there it is reportedĬompressed (zipped) folder in a proper way, because the algorithm used in this case is the zip one. MyFile.zip) as well as the specific algorithm used to compress the files. Note that term zip can even be referred to the extension of a compressed file (e.g. It happens often that when a new technology spread in the common life, jargon (slang) terms became of common use even when they came from a different language.

(Computer Science) computing (tr) to compress (a file) in order to reduce the amount of memory required to store it or to make sending it electronically quicker.The "zip" term, with the diffusion of the related programs became soon a noon and a verb, used to say in a concise way to compress different files and folders into a unique one. In Unix you can find all even if not any more so used.

With no specific reference to the article that you cited I will tell you that zip compress and pack are three commands used in different operative systems to compress and package files in different ways (see below for further details).
