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Section B:
B.2. The Menu Program
Command Input
******************************
*
Menu Program
*
******************************
The
menu program opens a completely different way of entering commands.
When
you are using the USRSHELL program,
the CRT screen is split
into
two halves. In the left part, a number of items to select from is listed
one upon another,
whereas the right half is initially empty. One of the
lines in the left part is enhanced by inverse video mode.
Press the up-arrow and down-arrow keys.
You will see that you can
move
the
inverse-video field or
11
window
11
up and down using these keys.
When
you stop typing for a while, a text will appear on the right half of the
screen
giving further explanations on the menu item currently
selected
by the window.
When
a
menu item is "lit up" which is of interest to
you,
press
the
"ENTER" key.
Pressing
11
ENTER
11
can have different effects,
Normally,
a
program is started. However, it is as well possible that another menu is
activated.
Menus can be very deeply nested. To leave a menu, just press
the
"HOME"
key,
and the menu program will immediately return
to
the
previous menu.
When you start a program, further specifications may possibly be requir-
ed.
In
this case,
a number of fields appears in the right half of the
screen. Each of the fields contains either a heading or maybe some text.
You may alter the text or leave it as it is,
according to your
wishes.
Input
fields are marked by underlines,
Using the cursor keys,
you can
jump to any of these fields.
The "DEL" key serves for deleting a
char-
acter.
After you have filled a field completely, press the "ENTER" key.
The
program
is
started after you have left the last
field.
At
this
moment, the screen is cleared and the message
Loading XXX.COM
appears as a protocol.
The message merely indicates that,
according to
your specifications,
a program has been found and loaded.
If,
instead
of,
a
command file has been activated,
the message reads correspond-
ingly:
Loading $DO.COM
Henceforth, the commands currently executed are indicated as follows:
Command: $DIR *.COM
In this example, the "$DIR *.COM" command is just executed.
If
the menu program calls for additional input from you,
but
you
are
currently
not
willing
to meet the program's wishes,
just
press
the
11
HOME" key, and the program returns to menu i terns selection mode.
EOS user•s manual
Daeumling & Zimmermann
Page
4~
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