Named file groups {directory, computer}| form hierarchies from root directory to leaf directories. List or show directory files by alphabetical order, date saved or last used, or size. Display current directory name. Change to another directory. Make directory in higher directory. Remove directory from higher directory.
Mathematical Sciences>Computer Science>Software>Data Hierarchy
3-Computer Science-Software-Data Hierarchy
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Description of Outline of Knowledge Database
Date Modified: 2022.0224