Types Of Ms-Dos Commands - Epson 10020 User Manual

Changing the default drive
To change the default drive, type the letter of the drive you
want to change to, followed by a colon. Then press Enter. For
example, to change the default from A to C, type the following
and press Enter:
C:
MS-DOS acknowledges the change by displaying the command
C>.
prompt
that drive.
Specifying the drive designator
If you want to access a program or file on another drive without
first changing the default drive, type the drive designator along
with the filename. For example, if you are logged onto drive A
and want to use a file named PROGRAM on drive B, you
would type the following:
B:PROGRAM
MS-DOS loads and executes the file named PROGRAM from
drive B, but stays logged onto drive A.

Types of MS-DOS Commands

Each MS-DOS command is either internal or external. Internal
commands are commands that are built into
he used at any time once
External commands are stored on your system diskettes as
program files.
If you display a directory of the files on your MS-DOS
diskettes, you see the names of the external commands but not
the internal ones. The following lists show which external
commands are on which diskette.
3-4 Using MS-DOS With Your Computer
Changing to a new drive is also called logging onto
MS-DOS is loaded into memory.
MS-DOS and can