4.4BSD/usr/share/man/cat1/ul.0

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UL(1)                        BSD Reference Manual                        UL(1)

NNAAMMEE
     uull - do underlining

SSYYNNOOPPSSIISS
     uull [--ii] [--tt _t_e_r_m_i_n_a_l] [_n_a_m_e _._._.]

DDEESSCCRRIIPPTTIIOONN
     UUll reads the named files (or standard input if none are given) and trans-
     lates occurrences of underscores to the sequence which indicates under-
     lining for the terminal in use, as specified by the environment variable
     TERM. The file _/_e_t_c_/_t_e_r_m_c_a_p is read to determine the appropriate se-
     quences for underlining.  If the terminal is incapable of underlining,
     but is capable of a standout mode then that is used instead.  If the ter-
     minal can overstrike, or handles underlining automatically, uull degener-
     ates to cat(1).  If the terminal cannot underline, underlining is ig-
     nored.

     The following options are available:

     --ii      Underlining is indicated by a separate line containing appropri-
             ate dashes `-'; this is useful when you want to look at the un-
             derlining which is present in an nroff output stream on a crt-
             terminal.

     --tt _t_e_r_m_i_n_a_l
             Overrides the terminal type specified in the environment with
             _t_e_r_m_i_n_a_l.

EENNVVIIRROONNMMEENNTT
     The following environment variable is used:

     TERM  The TERM variable is used to relate a tty device with its device
           capability description (see termcap(5)).  TERM is set at login
           time, either by the default terminal type specified in _/_e_t_c_/_t_t_y_s or
           as set during the login process by the user in their _l_o_g_i_n file
           (see setenv(1)).

SSEEEE AALLSSOO
     man(1),  nroff(1),  colcrt(1)

BBUUGGSS
     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.

HHIISSTTOORRYY
     The uull command appeared in 3.0BSD.

4th Berkeley Distribution        June 6, 1993                                1