• The date shown with each directory
entry
is
the
date
of
the last addition
or
change to
that
file. The
date
is
not
changed during a
COpy
or
a DISKCOPY.
At
first glance,
diskcopy
a:
b:
and
copy
a:*.*
b:
may appear
to
have the same
purpose-copying
an
entire diskette. They do, only when copying
to
a
diskette with no files on
it.
With COPY, if files already exist
on
the back-up
diskette,
they
will either be replaced (if files being
copied have the same name)
or
left alone. This
is
because COPY goes through the original diskette,
copying each file, one
at
a time. COPY does
not
disturb old files on the back-up diskette
as
long
as
their names
aren't
the same
as
files being copied.
DISKCOPY, however, makes a
"carbon
copy"
of
the original diskette, wiping
out
all old files on the
back-up diskette during the
COpy
process.
DOS 3-85
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