System Correcting Command
C: > CHKDSK
To get complete information about the disk. How much space was there in the disk. And how much space is there now. How much was the memory and how much is it now. And how much space has been damaged etc. System Command to Correct.
C: > CHKDSK / F
Along with obtaining complete information about the disk, it checks the useless and anonymous file and bad clusters and gives its extension name (.chk). So that we can erase it later.

C: > SCANDISK
Use this command to clean the disk. All the bad and anonymous files in the computer are checkchecking. And put in the extension name (.chk). And check the disk in full detail.
C: > DEFRAG
One can collect files scattered by this.
A: > FORMAT
Let us use this to format a disk. That is, we use it to erase everything from the hard disk. By doing this, discs again become Tracks and Sector.
Note- If there is a format command in the Bootable CD. Then you can format it with A: Prompt. Otherwise, do the format where the command is.
A: > FORMAT
The command use to format C:/S disks as well as to transfer system files.
A: > FORMAT C: / Q
uses this to quickly format disks. After formatting.
A: > UNFORMAT C:
Disk, use it again to lane in real form. But it’s not necessary to return as she was.
A: > FDISK
Creates a Partition Table
In the hard disk by this command A: > FDISK. Anywhere you purchase a new Hard Disk. To make it usable it is necessary, Partition Table should be made in it.
Note- While Partition Table is to be created first boot the computer with bootable floppy. And can also boot from Hard Disk. Should be made from booting floppy. This command can be run in both old and new Hard Disk.
Method – Boot the computer from a bootable CD to create partitions from FDISK to any hard disk. When the computer boots, enter A: > FDISK by typing it at A: > Prompt. The following options will be seen as soon as you enter.
(1) CREATE PARTITION (2) ACTIVE PARTITION (3) DELETE PARTITION (4) DISPLAY PARTITION
Now the option to use. Enter its number by typing in this box. Enter Choice [].
(1) CREATE PARTITION
Partition can be created by this option. As soon as you select it and enter it, the following options will be present.
(1)Create DOS Primary Partition (2) Create DOS External Partition (3) Create Logical Partition
Create DOS Primary Partition
As soon as Selecting Create DOS Primary Part .. will enter and start reading Hard Disk. After complete reading, an instruction will be found. In which Y will be written. Intersecting the entire hard disk will create a partition.
And if more than one partition is made, enter N instead of Y and give the size as big as you want to make the partition.
You Can Read also this post about MS DOS
After giving size, switch to main menu with Esc button. In the main menu, select Create Partition and enter. Then select Create DOS External Partition in the second number and enter it. Partitioning will start as soon as you enter.
When the partition is created, try it from the Esc button in the main menu. Then create create partition by selecting create partition under number three Create Logical Select Partition and enter. And select the size according to the partition you want to make and enter. Partitioning will start as soon as you enter. This is how much partition to make.
Can be created through Create Logical Partition. When the partition is created, try it from the Esc button in the main menu. And from here , select ACTIVE PARTITION under two numbers and enter. Instructions will be given as soon as you enter. Enter the number by giving.
1. Partition will be activated as soon as you enter. After that try out with Esc button. And restart the computer.
Note – After creating a new partition table, it is necessary to format all the partitions.
(3) DELETE PARTITION: – By this, the hard disk partition can be deleted.
(4) DISPLAY PARTITION: – You can see the partition created by it. How many partitions are there in the hard disk. But you can see all partitions other than the Partition created.
A: > SYS
Uses C: System File from one place to another to make Jane a bootable disk.
C: > HELP / DIR
Can get information related to the command through it.
C: > FC LAB ONLINE
To compare two files. Whether the file is the same or there is some difference between them.
C: > DISK COPY A: A:
This command to copy the contents of one flag to another. That is, it is used to copy the entire floppy. To do this it is necessary that the floppy is equal to the capacity.
C: > MS BACKUP dir name a:
Through this, you can easily copy the largest file or program into a floppy.
C: > RESTORE a: c: / s
It is used by the backup command to store the data stored in the floppy disk to the hard disk.
C: > SETUP
C: > INSTALL
These are both commands to load the program into the computer.
Note – Some software are like this. Which are loaded by setup. And some are loaded by install.
For this, first see the directory of the program from which it will load. Then run the command accordingly. System Command to Correct.