DOS

DOS (Disk Operating System) is a program that serves to configure a computer to execute the command given as input.
Commonly used operating system is MS DOS, because in addition to its capacity to small also commands that are used relatively easier when compared with other systems.
Some functions of the operating system (DOS) is:
1.Organize or control the computer activity
2.Setting the Memory
3.Set the process input and output data
4.Menegement file
5.Management directory

A. File and Directory Processing


In the DOS operating there Command-command/perintah grouped into two groups:

Internal Command / Internal Commands
Is a command that no longer requires a special file, because all the internal instructions are accommodated in the file command.com

External Command / External Commands
The command has its own file and no longer be accommodated in the file command.com