(98) Command , Internal command , External command

Command

& an instruction processed by dos command interpreter.

& Internal command, CD, MD, COPY.

&  External command

&  Internal command:- in dos are such program which get loaded in the memory pc automatically along with dos at a time of booting.

                                Ex:- CD, MD, COPY, etc.

& External command:- external command file that do resize on disk. Ex –format.com.

& Path :-absolute

            Relative.

& Absolute path:-a path that start form the driven root directory are called absolute path.

&  Relative path:- a path that start from driven current directory is called path.

& File management command:-

&  MD  (make directory) :- it is used to make directory m d diramed and press enter key.

& CD ( change directory):- it is used to go to current directory CD DIR NAME EX :- CD wxyz. Press enter key.

& It is use that to CD-------------or CD1----- it is used to remove a directory.

& c/s- clear the screen.

&  Copy con:- it is use to make file copy con/ file name.

&  Ctrl+z:- is used to save the file.

&  Type command file name:- it is use to see the file content.

& Edit command:- it is menu driven text editor . it use to make correction in the file name and press enter key.

&  Del command :- it is used to remove a  file. File name and press enter key.

&  Copy command :-it is use to see the data and also change the data. C:\> data and press enter key. Entered new data {mm:dd:yy}.

& Time command :- it is used to see the time c:\> and press enterkey. Enter the new time {hh:mm:ss}.

&  Dir command :- display a list of directory file c:\> dir , and press enter key.

& Dir/p:- display in page by format c:\> dir/w press enter key.

&  Dir/b :- briet display c:\> dir/b press enter key.

&  Dir/ah:=headen file display c:\> dirah press enter key.

&  dir/ar := read only file display c:\>dirar press enter key.

& Tree command:- it is use to see the directory in hierarchal structure. C:\>tree.

& Driven command: - it is use to change the driven. d:/> press enter key

&  Format command:-it is use to mark the screen format driven name and press enter key prepare a blank disk for receive and storing.

&  Fc /? It is used to display about command.

& Move command:- to move a file v:\> move source file name. d:\ deep press enter key.
 Exit command: - it is use to leave from the dos c :\> exit and press enter key.