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TTYS(5)                       File Formats Manual                      TTYS(5)

       ttys - terminal initialization data

       The  ttys file is read by the init program and specifies which terminal
       special files are to have a process created for them so that people can
       log in.  There is one line in the ttys file per special file.

       The  first  character  of a line in the ttys file is either `0' or `1'.
       If the first character on the line is a `0', the init  program  ignores
       that  line.  If the first character on the line is a `1', the init pro-
       gram creates a login process for that line.  The  second  character  on
       each line is used as an argument to getty(8), which performs such tasks
       as baud-rate recognition, reading the login name,  and  calling  login.
       For  normal  lines, the character is `0'; other characters can be used,
       for example, with  hard-wired  terminals  where  speed  recognition  is
       unnecessary or which have special characteristics.  (Getty will have to
       be fixed in such cases.)  The remainder of the line is  the  terminal's
       entry in the device directory, /dev.


       gettytab(5), init(8), getty(8), login(1)

                                 18 July 1983                          TTYS(5)