Epson equity ie q50188015-1 Manuel D’Utilisation

Each MS-DOS command is either internal or external. Internal commands

are commands that are built into MS-DOS and can be used at any time

once MS-DOS is loaded into memory External commands are stored on
your system diskettes as program files. To run an external command,
MS-DOS must be able to locate the file from your system diskette or from a

directory on the hard disk. This may require you to use the command’s

path name when you enter the command.

See your MS-DOS manual for more information on the command format.
Also see your MS-DOS manual for command descriptions that tell you
which parameters and delimiters are required for each command and which
optional parameters and switches you can use.

You can enter an MS-DOS command whenever you see the MS-DOS

command prompt. Type the command name and any necessary parameters

and delimiters and then press 

Enter 

to execute the command. You can type

command names and parameters in either uppercase or lowercase letters.

If you make a mistake when typing a command and you notice it before you
press 

Enter, 

you can do one of two things:

l

Use the backspace key to back up and correct the error

l

Press 

and then 

Enter 

to cancel the command line.

If you press 

Enter 

when a command line has an error in it, the screen

displays an error message. Usually, the command prompt reappears so you

can try again. Type the correct command and press 

Enter.

All your work and programs are stored in files on your diskettes or hard
disk. A data file contains information, such as words, numbers, or pictures.
A program file contains instructions that the computer can understand and

execute.

The kind of file you create depends on the MS-DOS command or

application program you use to create it. In general, a data file that you