<<<<<<<<<<<<<CLEAR PROMPT LINE ONLY>>>>>>>>>>>>>>>>>>>
------------ UNIVERSAL INTERACTION ROUTINE ----------------------
$CMD_PR1$
$CMD_PR2$
$CMD_PR3$
$CMD_PR4$
$CMD_PR5$
$CMD_PR6$
$PROMPT$
U: LCLEAN
That is correct!
You've got it on the 2nd try.
Good, you understand the concept.
$FIRST_F1$
$FIRST_F2$
$FIRST_F3$
$FIRST_F4$
$SECOND_F1$
$SECOND_F2$
$SECOND_F3$
$SECOND_F4$
I will help you this time.
$PROMPT$
$PROMPT$$ANSWER$
T: Observe the result on the terminal.
-----END INTERACTION ROUTINE--------------------------
**********FOOTER TO REQUEST CONTINUATION**********
If they want to quit, do so
<<<<< LEFT_CLEAN SUBROUTINE >>>>>>>>>>>>>>>>>>>>>
Below is a subroutine to paint over the contents of our terminal
screen and put a prompt in the appropriate place.
$PROMPT$
This is the routine that draws the terminal
TERMINAL
$V1$
<<<<<<<<<<<<CLEAN INSIDE UPPER BOX ONLY>>>>>>>>>>>>>>>
<<<<<<<<<<<<<CLEAR BOTTOM AREA ONLY>>>>>>>>>>>>>>>>>>>
<<<<<<< Standout Line Procedure >>>>>>>>>>
--------------------------
| permission | explanation | ------------------------
|------------|-------------| | Class of User |
| r | read | | ---------------------- |
| w | write | | Owner | Group | Others |
| x | execute | ------------------------
| - | protected |
--------------------------
If the owner, group and others all have read and write permission,
the permission field would be represented as rw-rw-rw-
------------ practic permissions INTERACTION ---------------------
X-------- Obey this limit ---------X
X-------- Obey this limit ---------X
$PROMPT$$ANSWER$
------------ 2nd practic permissions INTERACTION ---------------------
X-------- Obey this limit ---------X
X-------- Obey this limit ---------X
$PROMPT$$ANSWER$