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l ' Chapter 14
I PROBLEMS AND ERROR MESSAGES
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It
is
important
that
you understand error messages. They inform
you of difficulties
the
computer is having
in
accomplishing
the
task
it
has
been given. Knowing what the problem is will
assist
you
in
solving
it
most efficiently.
MS-DOS Error Messages
The two sources of error messages
are
MS-DOS and
an
applica-
tion program.
If
you receive
an
error message other
than
a sys-
tem
error,
it
comes from
an
application program. Refer to
that
program's documentation
for
help.
System errors consist of two types: those
that
occur while MS-
DOS is
writing
to a disk or to another system device (such as a
printer)
and
command errors. As well, MS-DOS special pro-
grams
(such
as
LINK, DEBUG, or EDLIN) have
their
own error
structure. The errors
that
can be displayed by MS-DOS or
its
functions
are
described
in
the following order:
• Device
Error
Messages
• Command
Error
Messages
• EDLIN
Error
Messages
• Linker
Error
Messages
• DEBUG
Error
Messages
Device
Error Messages
Device
errors
refer to problems
with
your
computer
and
its
peripherals,
such
as
disk
drives,
modems
and
printers.
If
a
Device
Error
occurs
at
any time
during
a command or program,
MS-DOS
returns
an
error message
in
the following format:
type error action device name
Abort, Ignore, Retry:
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