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OpenSolaris 2009.06 - man page for ul (opensolaris section 1)

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ul(1)					  User Commands 				    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 indicates underlining for the terminal in
       use,  as  specified by the environment variable	TERM. ul uses the /usr/share/lib/terminfo
       entry 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 termi-
       nal can overstrike, or handles underlining automatically, ul degenerates to cat(1). If the
       terminal cannot underline, underlining is ignored.

       -t terminal    Override	the  terminal  kind specified in the environment. If the terminal
		      cannot underline, underlining is ignored.  If  the  terminal  name  is  not
		      found, no underlining is attempted.

       -i	      Indicate	underlining by a separate line containing appropriate dashes `-';
		      this is useful when you want to look at the underlining which is present in
		      an nroff(1) output stream on a CRT-terminal.

       ul returns exit code 1 if the file specified is not found.


       See attributes(5) for descriptions of the following attributes:

       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Availability		     |SUNWdoc			   |

       cat(1), man(1), nroff(1), attributes(5)

       nroff  usually generates a series of backspaces and underlines intermixed with the text to
       indicate underlining. ul makes attempt to optimize the backward motion.

SunOS 5.11				   17 Mar 1994					    ul(1)
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