X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fclear.1.html;h=2f499b75b6056f009ed2051cbadb853ba94c0552;hp=36beee1fb112deaf11e7e6d3f72bc0d764dd1827;hb=b5be26931d6488adcb1ff8bc07df9de378ce0d27;hpb=ed646e3f683083e787c6ba773364401dc9fa9d40 diff --git a/doc/html/man/clear.1.html b/doc/html/man/clear.1.html index 36beee1f..2f499b75 100644 --- a/doc/html/man/clear.1.html +++ b/doc/html/man/clear.1.html @@ -1,6 +1,6 @@ @@ -52,7 +52,7 @@

SYNOPSIS

-       clear
+       clear [-Ttype] [-V] [-x]

DESCRIPTION

@@ -67,17 +67,27 @@
        screen),  and  later  cat  the  file to the screen, clearing it at that
        point.
 
-       clear ignores any command-line parameters that  may  be  present.   The
-       analogous  "tput  clear"  has  command-line parameters including -T for
-       overriding the TERM environment variable.
+
+

OPTIONS

+       -T type
+            indicates the type of terminal.  Normally this option is  unneces-
+            sary,  because  the default is taken from the environment variable
+            TERM.  If -T is specified, then the shell variables LINES and COL-
+            UMNS will also be ignored.
+
+       -V   reports the version of ncurses which was used in this program, and
+            exits.  The options are as follows:
+
+       -x   do not attempt to clear the terminal's scrollback buffer using the
+            extended "E3" capability.

HISTORY

-       A clear command appeared in 2.79BSD dated  February  24,  1979.   Later
+       A  clear  command  appeared  in 2.79BSD dated February 24, 1979.  Later
        that was provided in Unix 8th edition (1985).
 
-       AT&T  adapted  a  different  BSD  program  (tset) to make a new command
-       (tput), and used this to replace the clear command with a shell  script
+       AT&T adapted a different BSD program  (tset)  to  make  a  new  command
+       (tput),  and used this to replace the clear command with a shell script
        which calls tput clear, e.g.,
 
          /usr/bin/tput ${1:+-T$1} clear 2> /dev/null
@@ -90,13 +100,13 @@
 
        The remainder of the script in each case is a copyright notice.
 
-       The ncurses clear command began in 1995 by adapting  the  original  BSD
+       The  ncurses  clear  command began in 1995 by adapting the original BSD
        clear command (with terminfo, of course).
 
        The E3 extension came later:
 
-       o   In  June  1999, xterm provided an extension to the standard control
-           sequence for clearing the screen.  Rather than  clearing  just  the
+       o   In June 1999, xterm provided an extension to the  standard  control
+           sequence  for  clearing  the screen.  Rather than clearing just the
            visible part of the screen using
 
              printf '\033[2J'
@@ -105,24 +115,24 @@
 
              printf '\033[3J'
 
-           This  is  documented in XTerm Control Sequences as a feature origi-
+           This is documented in XTerm Control Sequences as a  feature  origi-
            nating with xterm.
 
        o   A few other terminal developers adopted the feature, e.g., PuTTY in
            2006.
 
-       o   In  April  2011, a Red Hat developer submitted a patch to the Linux
-           kernel, modifying its console driver to do  the  same  thing.   The
-           Linux  change,  part  of  the  3.0  release, did not mention xterm,
+       o   In April 2011, a Red Hat developer submitted a patch to  the  Linux
+           kernel,  modifying  its  console  driver to do the same thing.  The
+           Linux change, part of the  3.0  release,  did  not  mention  xterm,
            although it was cited in the Red Hat bug report (#683733) which led
            to the change.
 
-       o   Again,  a  few  other terminal developers adopted the feature.  But
+       o   Again, a few other terminal developers adopted  the  feature.   But
            the next relevant step was a change to the clear program in 2013 to
            incorporate this extension.
 
-       o   In  2013,  the E3 extension was overlooked in tput with the "clear"
-           parameter.  That was addressed in  2016  by  reorganizing  tput  to
+       o   In 2013, the E3 extension was overlooked in tput with  the  "clear"
+           parameter.   That  was  addressed  in  2016 by reorganizing tput to
            share its logic with clear and tset.
 
 
@@ -130,15 +140,15 @@
        Neither IEEE Std 1003.1/The Open  Group  Base  Specifications  Issue  7
        (POSIX.1-2008) nor X/Open Curses Issue 7 documents tset or reset.
 
-       The latter documents tput, which could be used to replace this  utility
-       either  via  a shell script or by an alias (such as a symbolic link) to
+       The  latter documents tput, which could be used to replace this utility
+       either via a shell script or by an alias (such as a symbolic  link)  to
        run tput as clear.

SEE ALSO

        tput(1), terminfo(5)
 
-       This describes ncurses version 6.0 (patch 20170506).
+       This describes ncurses version 6.0 (patch 20171028).
 
 
 
@@ -149,6 +159,7 @@
 
  • NAME
    • 
 
  • SYNOPSIS
    • 
 
  • DESCRIPTION
    • 
+
  • OPTIONS
    • 
 
  • HISTORY
    • 
 
  • PORTABILITY
    • 
 
  • SEE ALSO
    •