MS-DOS

DOS is a disk operating system that organises data files, executes program files, and controls the input/output devices.

Booting is when the computer is turned on, microsoft DOS is executed.

DOS is text based.

To communicate with DOS, the screen has a prompt where you enter a command.

Case insensitive means that it does not matter if the words typed in are capital, lowercase, or both. An example would be HelLo or hELLo.


4 useful things to learn about DOS.
SET PATH= path to a specific directory
? in a file name means letter
* in a file name means wildcard
. in a directory path stands for current directory

7 very useful DOS commands. Explain each.
A: change in path to a floppy disk drive
C: change in path to a hard disk drive
DIR display current directory
MD make new directory
CD change current directory
COPY copy files from one place to annother
DEL delete a file

DOS organizes disks by working within a file directory and disk drive structure. Files are named and grouped together in named directories.

Three requirements that must be met for a file to be named include 1-8 letter name, period, 3 letter extension
An example: PROGRAM.exe

In DOS directories named by the drive letter followed by a colon. Directory path names are directed by a backwards slash.
An example would be C:/PROGRAMS