TTYSFILE

1mconsole

1mtty02

1mtty03

1mtty04

0mtty05

0mtty06

06tty11

06tty12

01tty13

01tty14

TTY1FILE

1console

1mtty02

1mtty03

1mtty04

0mtty05

0mtty06

06tty11

06tty12

01tty13

01tty14

TTY2FILE

1mconsole

1mtty02

1mtty03

1mtty04

0mtty05

0mtty06

06tty11

06tty12

01tty13

01tty14

TTY3FILE

1mconsole

1mtty02

1mtty03

1mtty04

0mtty05

0mtty06

06tty11

06tty12

01tty13

01tty14

BOTCLEAN

   <<<<< LEFT_CLEAN SUBROUTINE >>>>>>>>>>>>>>>>>>>>>

LNEXT

ONELCLEAN

   <<<<< TERMINAL SCREEN DRAWING SUBROUTINE >>>>>>>>

UTERMINAL

                 TERMINAL               

NEXT

 CAL: #RC, 1

 $V1$

 <<<<<<< Standout Line Procedure >>>>>>>>>>

HILINE

     <<<<<< TIME POSE SUBROUTINE >>>>>>>>>

PAUSE

  q - to quit, <CR> - to continue

If they want to quit, do so

GO

 Let us focus more closely on a 

 typical /etc/ttys file by

 using the cat command:

 $PROMPT$

 That is correct!

 You've got it on the 2nd try.

 Good, you understand the concept.

 Please use cat to display /etc/ttys

 Please type cat /etc/ttys

 You will be helped this time!

FORGET1

 cat /etc/ttys                   

 Observe the result above.

 Each entry in the /etc/ttys file is composed of three fields.

 The first field is the mode which 

           if set to  1  indicates that login is enabled, 

           if set to  0  indicates login is disabled. 

 The next field in the entry is for the baud rate, which is 

 represented by either a digit or a letter.  

 A letter specifies a fixed baud rate, while a digit specifies that

 it cycles between the values as defined in /etc/gettydefs (see above).

 The values are defined in /etc/gettytab.  For example, 

 an  f  is 1200 baud, a  6  is 2400 baud.

          1  - 300 baud, cycling up to 2400.

          6  - 9600 baud, cycling down to 4800.

          i  - 1200 baud, fixed.

          m  - 9600 baud, fixed.

          l  - 4800 baud, fixed.

               c  - 300 baud, fixed.

               0  - 300 baud, speed selected by "break"

               f  - 1200 baud, fixed.

               d1200  - 1200 baud, speed selected by "break"

               7  - 4800 baud, fixed.

              2 - 9600 baud, fixed.

 The last field is the logical device name (see above).

 Let us specify a new entry for the

 device tty17 to operate at 4800 (k)

 device tty17 to operate at 4800 (7)

 baud with login disabled, i.e.,

 to be used as a callout port.

 Assume you are in vi and

type the required entry:

 :

 That is correct!

 You've got it on the 2nd try.

 Good, you understand the concept.

 Please type 0ktty17

 Please type 0ktty17

 Please type 07tty17

 Please type 07tty17

 You will be helped this time!

FORGET2

 0ktty17                         

 07tty17                         

 Observe the result above.

 0ktty17

 07tty17