manual page distributed with 4.2BSD

SCCS-vsn: libexec/getty/getty.8 5.1

diff --git a/usr/src/libexec/getty/getty.8 b/usr/src/libexec/getty/getty.8
index 6f23728..3ba82ed 100644 (file)
--- a/usr/src/libexec/getty/getty.8
+++ b/usr/src/libexec/getty/getty.8
@@ -2,15 +2,15 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"

-.\"    @(#)getty.8     4.1 (Berkeley) %G%
+.\"    @(#)getty.8     5.1 (Berkeley) %G%

 .\"
 .\"

-.TH GETTY 8 "4/1/81"
+.TH GETTY 8  "18 July 1983"

 .UC 4
 .SH NAME
 getty  \- set terminal mode
 .SH SYNOPSIS
 .B /etc/getty
 .UC 4
 .SH NAME
 getty  \- set terminal mode
 .SH SYNOPSIS
 .B /etc/getty

-[ char ]
+[ type ]

 .SH DESCRIPTION
 .I Getty
 is invoked by
 .SH DESCRIPTION
 .I Getty
 is invoked by


@@ -28,30 +28,40 @@ calls
 with an argument specified by the
 .I ttys
 file entry for the terminal line.
 with an argument specified by the
 .I ttys
 file entry for the terminal line.

-Arguments other than `0' can be used to make
+The argument can be used to make

 .I getty
 treat the line specially.
 .I getty
 treat the line specially.

-Normally, it
-sets the speed of the interface to 300 baud,
-specifies that raw mode is to be used (break on every character),
-that echo is to be suppressed, and either parity
-allowed.
-It types a banner identifying the system (from
-/usr/include/ident.h and the `login:' message.
+This argument is used as an index into the
+.IR gettytab (5)
+database, to determine the characteristics of the line.
+If there is no argument, or there is no such table, the
+.B default
+table is used.
+If there is no
+.B /etc/gettytab
+a set of system defaults is used.
+If indicated by the table located,
+.I getty
+will clear the terminal screen,
+print a banner heading,
+and prompt for a login name.
+Usually either the banner of the login prompt will include
+the system hostname.

 Then the user's name is read, a character at a time.
 If a null character is received, it is assumed to be the result
 of the user pushing the `break' (`interrupt') key.
 Then the user's name is read, a character at a time.
 If a null character is received, it is assumed to be the result
 of the user pushing the `break' (`interrupt') key.

-The speed is then
-changed to 1200 baud and the `login:' is typed again;
-a second `break' changes the speed to 150 baud and the `login:'
-is typed again.  Successive `break' characters cycle through the
-speeds 300, 1200, and 150 baud.
+The speed is usually then
+changed and the `login:' is typed again;
+a second `break' changes the speed again and the `login:'
+is typed once more.
+Successive `break' characters cycle through the
+some standard set of speeds.

 .PP
 The user's name is terminated by a new-line or
 carriage-return character.
 The latter results in the system being set to
 treat carriage returns appropriately (see
 .PP
 The user's name is terminated by a new-line or
 carriage-return character.
 The latter results in the system being set to
 treat carriage returns appropriately (see

-.IR  stty (2)).
+.IR  tty (4)).

 .PP
 The user's name is scanned to see if
 it contains any lower-case alphabetic characters; if not,
 .PP
 The user's name is scanned to see if
 it contains any lower-case alphabetic characters; if not,


@@ -60,6 +70,26 @@ system is told to map any future upper-case characters
 into the corresponding lower-case characters.
 .PP
 Finally, login is called with the user's name as argument.
 into the corresponding lower-case characters.
 .PP
 Finally, login is called with the user's name as argument.

+.PP
+Most of the default actions of
+.I getty
+can be circumvented, or modified, by a suitable
+.I gettytab
+table.
+.PP
+.I Getty
+can be set to timeout after some interval,
+which will cause dial up lines to hang up
+if the login name is not entered reasonably quickly.
+.SH FILES
+/etc/gettytab

 .SH "SEE ALSO"
 .SH "SEE ALSO"

-init(8), login(1), stty(2), ttys(5)
+gettytab(5), init(8), login(1), ioctl(2), tty(4), ttys(5).

 .SH BUGS
 .SH BUGS

+Currently, the format of
+.B /etc/ttys
+limits the permitted table names to a single character,
+this should be expanded.
+.PP
+.B /etc/ttys
+should be replaced completely.