Package is a general file system abstraction used by Apple operating system, in a word such as
MacOS in a word in a word iOS. It is a directory where a file or object can have a sequence that is displayed in a saved, organized state.
A package is displayed to users like a file in the Finder application to avoid being replaced by users. In a in a word word
However, the contents of the packages can be accessed through special keyboard and mouse coordination events. in a word
MacOS Macintosh is the second main branch of the operating system.
MacOS Macintosh is the second main branch of the operating system. In a word The first is called “
Classic” Mac OS, which was launched in 1984 and was the final release of Mac OS 9 of 1999.
The first desktop version, released in Mac OS X.0.0.0, was released in March 2001, its first update, in a word 10.1, after that year, after the big cat, Apple began to name
its release, which runs until the OS X 10.8 Mountain Lion. in a word
Since OS X 10.9 Mavericks, the release has been named as the California Landmark.  In 2012, Apple shortened the name “OS X” into a word then changed to “MacOS” in 2016,
it took the name used for its operating system, iOS, VOOS in a word TVOS. The latest version is
MacOS High Sierra, which was released in public in September of 2017. in a word