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Vectronix 2
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DEDGE103.LZH
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EDGE
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HELP
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FILE.HLP
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1993-07-25
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Diamond Edge Extendible Help System
File: FILE.HLP
Topics covered:
∙ User Preferences
∙ Active Drive
∙ Basic Displays
∙ User Mode
∙ Warn Mode
∙ Medic Pause Delay
∙ Preferences
User selectable preferences are available through the
Preferences option under the File menu. These preferences are
automatically set during the installation process and you may
modify them at any time. The selectable options include the
default paths that you want Diamond Disk Information and Disk
Validation files to be saved.
∙ Note that ALL of the currently selected menu options
and switches are saved in the configuration file.
To save current configuration select Save Preferences,
to use but not save the current preferences select
Use Preferences, to exit without any modification to the current
preferences select Cancel.
∙ User Mode
The User Mode defines the level of experience with disk
functions that YOU say you have. There are two levels: Novice
and Expert. Although, all program functions are available to all
users, additional warnings and explanations of the effects of the
selected action will be given to users that select Novice user
mode. If you select Expert user mode it is assumed that you know
what you are doing when you select an action.
Be certain that you do.
∙ Warn Mode
Warn mode effects the amount of warning that you will
receive before certain types of actions. There are two types of
warning modes: Only before potential loss of data or Never. Note
that even if you select Expert mode and Never warn you will still
receive warnings before certain types of actions like
repartitioning your hard disk or zeroing Drive C.
∙ Until you are very comfortable with the operation of
Diamond Edge, it is strongly suggested that you select Novice
user mode and Always warn options.
∙ Disk Medic Pause with No Errors
There are many situations where automatic continuation
after a Disk Medic pass, like when no errors are found, is
convenient. If no errors are found, the value that you enter
is the number of seconds that the program will pause to display
the Disk Medic Report before continuing on to the next task.
If you leave it blank, then the program will wait for user input
before continuing. The program will always wait for user input
if any disk errors are found during a Disk Medic pass.
∙ The Active Drive
There is one operating principal that applies to nearly
every program function: the Active Drive. The basic window
function block contains a set of buttons showing the available
drive partitions in your disk systems and a set of basic program
functions. The drive that is selected is called the Active Drive.
ALL PROGRAM FUNCTIONS ARE PERFORMED ON THE ACTIVE DRIVE.
The only exception to this rule are the SCSI level operations
and Disk to Disk copy operations. To change the Active Drive
click on the drive button or press the letter of the drive that
you want to become the Active Drive.
∙ The Disk Information Display
When you select Disk Info from the basic window function
block, critical disk information is displayed for the Active
Drive. For a complete description of all of the items contained
in the Disk Information Display, please refer to Section 8.3 in
your manual: Inside the Disk Partition.
∙ The Fragmentation Map Display
Selecting Frag Map from the basic window function block
will create a visual display of the fragmentation level of the
active drive and provide additional active drive statistics.
Fragmentation occurs when parts of files become spread across
your disk in different locations. This is a normal by product
of the everyday process of creating files, deleting files, and
then adding more files.
The disk fragmentation map is generated in the order
thatan actual directory search would take. What you are
witnessing is not only the level of file fragmentation on your
disks, but also the level of directory fragmentation. If you
have a heavily fragmented disk, you might notice that the map
seems to fill in at seemingly random locations. This is
demonstrating how hard your disk has to work to perform a
simple directory search.
The Disk Fragmentation Map displays a number of useful
summary statistics and graphs that allow you to assess the
fragmentation level of your disk. For the purposes of the
statistics, 1 fragment is defined as an interruption in
consecutive location of disk clusters in a file. So a file
that is broken into two pieces on the disk has 1 fragment, a
file that is broken into three separate pieces on the disk has
2 fragments, etc. A file that has all of it's clusters
consecutive on the disk has no fragments.
The summary statistics shown include the total number
of folders on your disk, the total number of files on your disk,
and the total number of fragmented files on your disk.
Additional information is provided for the fragmented files
showing the average number of fragments contained in each
fragmented file and the average number of fragments contained
in 100K bytes of fragmented files.
The graph in the Disk Fragmentation Map display is a
relative frequency histogram showing the distribution of the
sizes of files on your disk and the average fragmentation level
for each size class. Each bar represents a bin of files sizes
and the height of the bar represents the percentage of the total
number of files on your disk that are in that size category.
The shading on each bar represents the average number of
fragments for files contained within that size category.
This information is useful in determining the level and
severity of disk fragmentation. It provides you with an idea
of how much fragmentation you have, where the fragmentation is,
and what type of files does it effect. This information can be
used to determine whether it is necessary to optimize the disk
partition to regain hard disk performance.
∙ The All Drive Information Display
Selecting All Info gives you a visual description of
all of your hard drives capacities and the current usage. The
disk statistics of total disk capacity, bytes used, bytes free,
and percentage bytes free are given for each drive individually.
A total for all of your drives is displayed at the bottom of the
All Drives Information display.
∙ You can print out all of the information from any of the
three basic window views by selecting Print from the basic window
function block. It is a good idea to have a printout of all your
critical disk information.