MS- DOS

---------INSERT IMAGE OF MS DOS!-----------
DOS is microsoft disk operating system.Booting is first program to be executed when computer is switched on.DOS is entirely text based.To communicate with DOS, the screen has a prompt where you enter a command.Case insensitive means that does not matter if you upper case or lower case the letters An example would be"C:>" "c:>"4 useful things to learn about DOS. set path, prompt, wildcard, filename.
SET PATH=directory path will force DOS to look in theses directories? in a file name means filename stands for any digit or letter* in a file name means wildcard combination of digits or letters. in a directory path stands for directory above current directory7 very useful DOS commands. A: change current directory path to floppy disk. C: change current directory path to hard disk drive. DIR- display current directory. MD- make ne directory. CD- change current directory. COPY- copy files from one place to another. DEL- delete erase file.
Explain Three requirements that must be met for a file to be named include name, period,3 letter extensionAn example:promgram.doc
In DOS directories named by every disk has root directory can have subdirectories name in same formal as filenames, drive letter is followed by colon, directory path names are separated.
An example would be "A:"