Troubleshooting
and Operation
Hints
309
software
is
damaged. There
are
a few
other
such
commands
which perform similar functions. The validity
of
these options
depends
upon
the version
of
the system you have. Some func-
tions may not work while some additional ones may be
included
on
your Mac.
When using the Backspace key, deleted characters are
transferred into a special memory space which can be called the
Backspace buffer. To unload this buffer
and
print
out
the
deleted characters, press the
Command
key while pressing
Backspace. The characters will
appear
in the reverse
of
the
order
they were deleted. This function
is
useful when using
MacWrite.
If
you incorrectly typed the word
"Mac"
and
wanted
to
delete it
and
place it elsewhere, simply backspace
through
the word.
The
letters will be loaded into the Backspace
buffer in reverse order,
"caM."
When you reach the point
where the word should
appear,
press
Command
and
press
Backspace three times. The word will appear.
The
combination
Command
! (or
Command,
Shift, I) will
override the
computer
system
and
cause the Mac to eject the
disk in the main disk drive. Although this
option
may be useful,
it may have a
drawback
if
used unwisely.
If
a document resides
in
computer
memory
and
the
operator
wants to keep it, he
or
she will have to ensure
that
it
is
saved before ejecting the disk
and
turning off the Mac.
The
normal procedure for exiting
an
application and ejecting the disk
is
designed to give the opera-
tor
the option
of
saving the document.
Entering the keystrokes
Command#
(or
Command, Shift,
3) will cause the Mac
to
create a
MacPaint
document, called
Screen
0, which holds a copy
of
the display
on
the Mac screen
at
the time the
command
is
entered. Each successive repetition
of
the
command
will create a like
document
entitled Screen
1,
Screen 2,
and
so on. The
MacPaint
application need
not
be
present
on
the disk for the
document
to be created.
Of
course,
to
access the document,
MacPaint
is
required.
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