Advertisement
DUMP COMMAND
11.2 -- DUMP Command Set
where <name> consists of at least a file name and
a
suffix.
If
no
logical unit number is specified for <name>,
the last
logical unit selected via the U command will
be
used
as
a
default.
If
a logical unit number is specified for <name>,
then it
~ill
become the selected
unit
number
even
if
the
Ph~sical
Mode
of
operation is entered later.
If a file is
currently open,
it will be automatically closed
when
the
a
command
is
executed.
If the file <name:>
is
not found,
then
the Physical Mode of operation will be
in
effect
arter
an
error
message
is
displayed.
The sector address associated
with the
sector
change
buffer
is
invalidated
by
the
a
command.
11.2.4
Close diskette file --
C
The
C
command
is
used
to
close
the
file
that is
currently open.
The format of the close
command
is
simply
the
letter
"CII.
If the current mode of operation
is
already
the Physical Mode,
then no action results from the
execution
o f t h
e
C
comma n d .
I
f a
f i
1
e
i
sop en
1
the nth e
Ph
y
sic aIM
0
d
e
of operation will be entered after the' file is
closed.
The
sector
address
associated
with the sector change buffer is
invalidated
by
the C command.
11.2.5 Show sector -- S
The S command is used to display a sector's contents
on
the
system
console.
There
are
several
forms
or
the S
command.
Command
Effect
S
Display the contents of the sector change
buffer.
SB
Display
the
contents
of
the
Cluster
Allocation Table.
The
SB
command is
only
valid in the Physical Mode of operation.
S me,n]
Display the contents of sector "m" or the
contents
of
sectors
"m"
through "nil.
The
values of
tim" and
"nit are either physical
Or logical sector
numbe~s
depending
on
the current mode of operation.
SD (mC/nJJ
Display
the
contents
of
the directory
sectors.
The entire
directory
wi 11
be
displayed if no
"mil
and no
"n"
are given.
Oth e·rwi sel
th e
109 i
ca
1
sec tor
"m"
or
th e
logical
sectors
"m"
through "nil of the
directory
will
be
displayed.
The
SD
Page
11-05
Advertisement
