Ms Dos stands for Microsoft Disk
Operating System which was developed by Microsoft Corporation for IBM and was
called as PC-DOS.
MS DOS is a operating system
which is a non gui based and it is operated using some basic and advance
internal and external dos commands and used in command shell or command line.
There are different types of
operating system and commonly categorized in GUI and NON-GUI msdos belongs to
the category of non GUI [Graphical User Interface] where we cannot find any
graphics or the use of any mouse like devices.
When Microsoft first launched
their GUI based operating system it used to start from dos when a command was
types in command shell like win
Dos operating system is not used
as often as windows due to its advanced features and easy to use and handle.
This OS has ruled the computer industry from few decades and the customer
response is amazing compared to old OS such as msdos.
Before going to further details on how to use
dos you must be aware of some basic dos commands and its features to study dos
and its internal and external commands you must be familiar with their use and
advantages as it would help you immensely to study the topic and get expertise
in the field of dos.
Dos Commands are basically
divided in mainly 2 types ::
A] Internal Dos Commands
B] External Dos Commands
Internal Dos commands are those
commands which are directly executed within the system file called as
command.com this file is mainly responsible for all execution and functions of
dos internal commands.
If the file is broken or damaged
or corrupted it would be hard to execute or run any of the internal dos
command.
This file is situated in the root
directory of hard disk drive or where you have installed your operating system
mainly people or users install operating system on drive C.
Some common examples of internal
dos commands ::
Cls ,date ,time,ver ,copy con
etc.
Cls ::This command is used for
clear all the previous output on the screen.
Date ::This Command is used for
displaying current date of the Computer system.
Time ::This command is used for
displaying current time of the computer
Ver :: It is used for checking
the version of the operating system.
Copy con :: This command is used for creating a new file
.
External Dos Commands :: This
commands are executed and run from external source it need supporting files to
execute this command cannot run without any supporting files.
These type of files are located
in c:\windows\command name directory in windows 98.
These commands are very powerful
dos commands which must be used carefully and once used cannot be reverse as it
directly affect your computer hard disk drive and its programs as well as its
data which is available in computer.
Some of the basic external dos
commands are mentioned below::
Format,edit,doskey,xcopy ,copy
Format:: This command is used to
format or erase all existing data available on computer hard disk drive.
Edit :: It is used to create or
edit or update file which are present in computer.
Doskey :: this command remember
all previously used dos commands so that you don’t have to type the same
command over and over again.
Xcopy :: It is used to copy all
folders including all files and subfolders from one location to another.
Copy :: This command is used to
copy all files from one location to another.
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