UL(1) General Commands Manual UL(1)
ul - do underlining
ul [ -i ] [ -t terminal ] [ filename... ]
ul reads the named filenames (or the standard input if none are given)
and translates occurrences of underscores to the sequence which indi-
cates underlining for the terminal in use, as specified by the environ-
ment variable TERM. ul uses the /etc/termcap file to determine the
appropriate sequences for underlining. If the terminal is incapable of
underlining, but is capable of a standout mode then that is used
instead. If the terminal can overstrike, or handles underlining auto-
matically, ul degenerates to cat(1V). If the terminal cannot under-
line, underlining is ignored.
Override the terminal kind specified in the environment. If the
terminal cannot underline, underlining is ignored.
-i Indicate underlining by a separate line containing appropriate
dashes `-'; this is useful when you want to look at the under-
lining which is present in an nroff(1) output stream on a CRT-
cat(1V), colcrt(1), man(1), nroff(1)
nroff usually generates a series of backspaces and underlines inter-
mixed with the text to indicate underlining. ul makes attempt to opti-
mize the backward motion.
9 September 1987 UL(1)