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This page displays the COHERENT manpage for getty [Terminal initialization].
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getty -- System Administration Terminal initialization /etc/getty type The initialization process init invokes getty for each device indicated in the file /etc/ttys. getty tries to read a user name from the terminal which is the standard input, adapting its mode settings accordingly. Then getty invokes login with the name read. This process may set delays, mapping of upper to lower case, speed, and whether the terminal normally uses carriage return or linefeed to terminate input. If the terminal baud rate is wrong, the login message printed by getty will appear garbled. If the specified type indicates variable speeds, as described below, hitting BREAK will try the next speed. init passes the third character in a line of the file /etc/ttys as the type argument to getty. type conveys information about the terminal port. An upper-case letter in the range A to S specifies a hard-wired baud rate, as indicated in the header file <sgtty.h>. Other characters specify a range of speeds suitable to a dial-in modem. The following variable-speed settings are recognized: 0 Cycles through speeds 300, 1200, 150, and 110 baud, in that order. This is a good default setting for dial-in ports. - Teletype model 33, fixed at 110 baud. 1 Teletype model 37, fixed at 150 baud. 2 9600 baud with delays (e.g., Tektronix 4104). 3 Cycles between 2400, 1200, and 300 baud. This is used with 2400-bps modems. 4 DECwriter (LA36) with delays. 5 Like 3, but starts at 300 baud. getty recognizes the following fixed-speed settings, for hard-wired terminals: A 50 baud B 75 baud C 110 baud D 134 baud E 150 baud F 200 baud G 300 baud H 600 baud I 1200 baud J 1800 baud K 2000 baud L 2400 baud M 3600 baud N 4800 baud O 7200 baud P 9600 baud Q 19200 baud R EXT S EXT Files /etc/tty <sgtty.h> See Also Administering COHERENT, init, ioctl(), login, sgtty.h, stty, ttys