data stored in machine-readable form. Text files contain keyboard characters represented by onebyte (8 bits) per character. Text, but not binary, files can be created and modified with text editorsand printed on printers. Binary files can only be read an operated upon by programs designed tohandle the internal formats of these files.File management:The process, implemented with a set of user commands, to manage the files ina file system. This involves defining the tree structure by creating or deleting directories and man-aging files by creating, moving, renaming, or removing them and listing their names and attributes.In a Unix terminal window, a MS-DOS window, or aMatlabCommand window, file managementis by typed commands (called command-line driven). In MS-Windows, file management is handledby a graphical user interface (GUI).Directory:Branch of a file tree, containing files and subdirectories; also called a folder.
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root directory, Working directory, present working directory