terminals \- conventional names
are used by certain commands and are maintained
as part of the shell environment
.IR sh (1), environ (5)).
1620 DIABLO 1620 (and others using HyType II)
1620\-12 same, in 12-pitch mode
300 DASI/DTC/GSI 300 (and others using HyType I)
300\-12 same, in 12-pitch mode
300s\-12 same, in 12-pitch mode
40\-2 TELETYPE Model 40/2
450 DASI 450 (same as Diablo 1620)
450\-12 same, in 12-pitch mode
450\-12\-8 same, in 12-pitch, 8 lines/inch mode
735 Texas Instruments TI735 (and TI725)
745 Texas Instruments TI745
dumb terminals with no special features
hp Hewlett-Packard HP264? series terminals
tn1200 General Electric TermiNet 1200
tn300 General Electric TermiNet 300
vt05 Digital Equipment Corp. VT05
Commands whose behavior may depend on the terminal
accept arguments of the form
is one of the names given above.
If no such argument is present,
a command may consult the shell environment
stty(1), tabs(1), plot(1),
The programs that ought to adhere to this nomenclature