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UL(1)				   BSD General Commands Manual				    UL(1)

     ul -- do underlining

     ul [-i] [-t terminal] [name ...]

     Ul reads the named files (or standard input if none are given) and translates occurrences of
     underscores to the sequence which indicates underlining for the terminal in use, as speci-
     fied by the environment variable TERM.  The terminfo database is read 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 automatically, ul degenerates to cat(1).  If the terminal cannot under-
     line, underlining is ignored.

     The following options are available:

     -i      Underlining is indicated by a separate line containing appropriate dashes `-'; this
	     is useful when you want to look at the underlining which is present in an nroff out-
	     put stream on a crt-terminal.

     -t terminal
	     Overrides the terminal type specified in the environment with terminal.

     The following environment variable is used:

     TERM  The TERM variable is used to relate a tty device with its device capability descrip-
	   tion (see terminfo(5)).  TERM is set at login time, either by the default terminal
	   type specified in /etc/ttys or as set during the login process by the user in their
	   login file (see setenv(1)).

     man(1), nroff(1), colcrt(1)

     Nroff usually outputs a series of backspaces and underlines intermixed with the text to
     indicate underlining.  No attempt is made to optimize the backward motion.

     The ul command appeared in 3.0BSD.

4th Berkeley Distribution		   June 6, 1993 		4th Berkeley Distribution
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