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Here are some additional points to note about directories:
l
On the root directory, the total number of files and subdirectories
must not exceed 512.
l All directories other than the root directory can have any
number of files and subdirectories.
l Subdirectories are named the same way files are. The name can
include as many as eight characters, and you can add an
extension of up to three characters.
The root directory does not have a name. It is identified by a
l
backslash (\) character.
l Diskettes have root directories, just as hard disks do, and you can
create subdirectories on diskettes the same as on hard disks.
The following sections discuss the basics of creating, deleting, and
using directories.
The Default Directory
MS-DOS always recognizes one directory as the default or current
directory, just as it always recognizes one drive as the default drive.
The default directory is the one in which MS-DOS performs your
commands, unless you tell it to do otherwise. If you want to run a
program or access a data file that is not stored in the default directory,
you can either change directories (making a different directory the
default) or include a pathname in your command.
Using Pathnames
A pathname tells MS-DOS how to find its way to the directory you
want to access. There are two basic types of pathnames: relative and
absolute. A relative pathname tells MS-DOS how to find its way to
the desired directory from the current default directory. An absolute
pathname tells MS-DOS
h
ow to find its way to the desired directory
from
the root
directory.
5-12
Using MS-DOS with Your Equity 386
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