+.TH TERM 7
+.SH NAME
+terminals\- conventional names
+.SH DESCRIPTION
+These names
+are used by certain commands and are maintained
+as part of the shell environment
+(see
+.IR sh (1), environ (5)).
+.LP
+.nf
+.ta \w'450\-12\-8 'u
+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 DASI/DTC 300/S
+300s\-12 same, in 12-pitch mode
+33 TELETYPE\*R Model 33
+37 TELETYPE Model 37
+40\-2 TELETYPE Model 40/2
+43 TELETYPE Model 43
+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
+4014 Tektronix 4014
+tn1200 General Electric TermiNet 1200
+tn300 General Electric TermiNet 300
+vt05 Digital Equipment Corp. VT05
+.fi
+.PP
+Commands whose behavior may depend on the terminal
+accept arguments of the form
+.BR \-Tterm,
+where
+.I term
+is one of the names given above.
+If no such argument is present,
+a command may consult the shell environment
+for the terminal type.
+.SH SEE ALSO
+stty(1), tabs(1), plot(1),
+sh(1), environ(5)
+.br
+troff(1) for
+.I nroff
+.SH BUGS
+The programs that ought to adhere to this nomenclature
+do so only fitfully.