Directories help organize files on storage devices like disks into folders, just like file cabinets organize paper files. A directory is a named section of a storage device that can hold any number of files. If a directory gets too large, it can be divided into subdirectories. Every disk has at least one main directory, called the root directory, that stores all other files and directories.

1. Directories
 A disk is like a file cabinet : it has “folders” that
contain groups of files
 These folders, called directories help you organize
your files
 We can store hundreds or even thousands of files on
a storage device hard disk or compact disk
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2. Directories (contd)
 To organize files, these are divided into various
segments called directories
 A directory is nothing but a named section of a
storage device, such as floppy disk, hard disk or
compact disk
 Any number of files can be saved in a directory
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3. Directories (contd)
Sub directory
 When a directory on the disk become too large, we
can divide it into subdirectories
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4. Directories (contd)
Root directory
 Every disk has at least one directory
 When you format a floppy or hard disk, MS-DOS
creates a directory where all other files and
directories will be stored
 This is called the root directory
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