MS-DOS stands for Microsoft Disk Operating System. It has three essential files and many command files. These essential files are: IO.SYS (Input Output System), MSDOS.SYS (Microsoft Disk Operating System), and COMMAND.COM. These files are called system files of MS-DOS
Advantages/ Features of MS-DOS
Disadvantages of MS-DOS
Booting: The process of loading system files into computer's memory from disk is called booting. It starts when the computer is turned on. It makes computer ready to work. In the booting process, the command interpreter and system files are loaded into computer's memory. There are two types of booting: cold booting and warm booting.
File: The systematic collection of related data or information or program instructions is known as file. A unique name is given for each file to identify. Such unique name is known as a file name. A file name contains name and extension. The name helps to identify the file and extension helps to identify the type of file.
Directory: Directory is the location to store files and sub-directories. It contains information about files stored on the disk like name, size, last date of modification, time of creation and disk volume label.
Instructions given to the computer to work are called commands. These are the common words between the computer and the user. It gives the orders to the computer system to work. DOS Commands are categorized into two types: Internal and External commands.
Booting refers to starting up a computer. In other words, the process of loading the system files into the computer's memory is called booting.
Computer can boot in two different ways:
MS-DOS is one of the most popularly used CUI operating system software for microcomputers which was developed by Microsoft Corporation USA
The features are:
A file is a collection of related information stored on a disk with a unique name for its identification.
The rules for file naming are:
Internal commands are part of COMMAND. COM file of MS-DOS when a computer is started, such types of command are automatically loaded in computer's memory. Examples of internal commands are CLS, DIR, COPY, DEL REN, MD, CD, RD, etc.
External commands are not part of command.com. They have their own program file having extension as COM, BAT, EXE, etc.
Examples of external commands are LABEL, CHSKDSK, FORMAT, DELTREE, etc.
MS-DOS stands for:
Microsoft Disk Operative System
Microsoft Disk Operating Software
Microsoft Drive Operating System
Microsoft Disk Operating System