gettytab(5)
NAME
gettytab − terminal configuration data base
SYNTAX
/etc/gettytab
DESCRIPTION
The /etc/gettytab file is a simplified version of the termcap(5) data base used to describe terminal lines. The initial terminal login process, getty(8), accesses the /etc/gettytab file each time it starts, allowing simpler reconfiguration of terminal characteristics. Each entry in the data base is used to describe one class of terminals.
There is a default terminal class, default, that is used to set global defaults for all other classes. That is, the default entry is read, then the entry for the class required is used to override particular settings.
CAPABILITIES
Refer to termcap(5) for a description of the file layout. The default column below lists defaults obtained if there is neither an entry in the table for that name, nor one in the special default table.
NameTypeDefault Description
abboolfalseAuto-baud on carriage-return
instead of break
apboolfalseTerminal uses any parity
bdnum0Backspace delay
bkstr0377Alternate end of line character
(input break)
cbboolfalseUse crt backspace mode
cdnum0Carriage-return delay
ceboolfalseUse crt erase algorithm
ckboolfalseUse crt kill algorithm
coboolfalseConsole - add \n after login prompt
dsstr^YDelayed suspend character
ecboolfalseLeave echo OFF
epboolfalseTerminal uses even parity
erstr^?Erase character
etstr^DEnd of text (EOF) character
fdnum0Form-feed (vertical motion) delay
flstr^OOutput flush character
hcboolfalseDo NOT hangup line on last close
htboolfalseTerminal has real tabs
igboolfalseIgnore garbage characters in
login name
imstrNULLInitial (banner) message
instr^CInterrupt character
isnumunusedInput speed
klstr^UKill character
lcboolfalseTerminal has lower case
lmstrlogin:Login prompt
lnstr^V"Literal next" character
lostr/bin/loginProgram to exec when name obtained
mnnum6Minimum number of characters
ndnum0Newline (line-feed) delay
nlboolfalseTerminal has (or might have) a
newline character
nxstrdefaultNext table (for auto speed selection)
opboolfalseTerminal uses odd parity
osnumunusedOutput speed
peboolfalseUse printer (hard copy) erase algorithm
qustr^\Quit character
rpstr^RLine retype character
rwboolfalseDo NOT use raw for input, use cbreak
spnum1200Line speed (input and output)
sustr^ZSuspend character
tcstrnoneTable continuation
tmnum1Intercharacter timer
ucboolfalseTerminal is known upper case only
westr^WWord erase character
xcboolfalseDo NOT echo control chars as ^X
xfstr^SXOFF (stop output) character
xnstr^QXON (start output) character
If no line speed is specified, speed will not be altered from that which prevails when getty is entered. Specifying an input or output speed will override line speed for stated direction only.
Should getty receive a null character, presumed to indicate a line break, it will rescan using the table name indicated by the nx entry. If there is none, it will re-use its original table name. Using ab, getty will autobaud on a carriage-return instead of an input break. This is useful for lines that are connected via a switch.
Delays with values 0, 1, 2, and 3 are interpreted as choosing that particular delay algorithm from the driver.
Output from getty is even parity unless op is specified. You may specify op with ap to allow any parity on input, but generate odd parity output. Note: this only applies while getty is being run, terminal driver limitations prevent a more complete implementation. The getty program does not check parity of input characters in RAW mode.