KL(IV) 8/24/73 KL(IV)





KL(IV)                       8/24/73                       KL(IV)







NAME

     kl - KL-11/TTY-33 console typewriter



DESCRIPTION

     Tty  (as  distinct  from  tty?   )  refers  to  the  console

     typewriter  hard-wired  to the PDP-11 via a KL-11 interface.

     The disciplines involved in dealing with tty  are  identical

     to  those  for  tty?  and section DC(I) should be consulted.

     The following differences are salient:



     The system calls stty and gtty apply, and the  bits  in  the

     mode  word have the same meanings, but the speed-select word

     is ignored.  The quit signal is generated by the key  marked

     `alt mode.'



     By appropriate console switch settings, it  is  possible  to

     cause  UNIX  to  come up as a single-user system with I/O on

     this device.



FILES

     /dev/tty

     /dev/tty8       synonym for /dev/tty

     /dev/tty9       second console



SEE ALSO

     dc(IV), init(VII)



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