* docs/grub.texi (History): Expand to cover GRUB 2.
(Serial terminal): Refer to `terminal_input' and `terminal_output' commands, not `terminal'. (serial): Likewise. (terminal_input): New section. (terminal_output): New section. (uppermem): New section (stub). (Obtaining and Building GRUB): Refer to Bazaar, not Subversion.
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ChangeLog
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ChangeLog
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@ -1,3 +1,14 @@
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2010-06-08 Colin Watson <cjwatson@ubuntu.com>
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* docs/grub.texi (History): Expand to cover GRUB 2.
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(Serial terminal): Refer to `terminal_input' and `terminal_output'
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commands, not `terminal'.
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(serial): Likewise.
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(terminal_input): New section.
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(terminal_output): New section.
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(uppermem): New section (stub).
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(Obtaining and Building GRUB): Refer to Bazaar, not Subversion.
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2010-06-08 Colin Watson <cjwatson@ubuntu.com>
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* docs/grub.texi (Security): Menu entries are unrestricted by
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@ -174,6 +174,22 @@ official GNU package, and opened its development by making the latest
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sources available via anonymous CVS. @xref{Obtaining and Building
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GRUB}, for more information.
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Over the next few years, GRUB was extended to meet many needs, but it
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quickly became clear that its design was not keeping up with the extensions
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being made to it, and we reached the point where it was very difficult to
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make any further changes without breaking existing features. Around 2002,
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Yoshinori K. Okuji started work on PUPA (Preliminary Universal Programming
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Architecture for GNU GRUB), aiming to rewrite the core of GRUB to make it
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cleaner, safer, more robust, and more powerful. PUPA was eventually renamed
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to GRUB 2, and the original version of GRUB was renamed to GRUB Legacy.
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Small amounts of maintenance continued to be done on GRUB Legacy, but the
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last release (0.97) was made in 2005 and at the time of writing it seems
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unlikely that there will be another.
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By around 2007, GNU/Linux distributions started to use GRUB 2 to limited
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extents, and by the end of 2009 multiple major distributions were installing
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it by default.
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@node Features
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@section GRUB features
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@ -1078,7 +1094,8 @@ you want to use COM2, you must specify @samp{--unit=1} instead. This
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command accepts many other options, so please refer to @ref{serial},
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for more details.
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The command @command{terminal} (@pxref{terminal}) chooses which type of
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The commands @command{terminal_input} (@pxref{terminal_input}) and
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@command{terminal_output} (@pxref{terminal_output} choose which type of
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terminal you want to use. In the case above, the terminal will be a
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serial terminal, but you can also pass @code{console} to the command,
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as @samp{terminal serial console}. In this case, a terminal in which
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@ -1421,6 +1438,8 @@ Commands usable anywhere in the menu and in the command-line.
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@menu
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* serial:: Set up a serial device
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* terminal_input:: Manage input terminals
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* terminal_output:: Manage output terminals
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* terminfo:: Define terminal type
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@end menu
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@ -1440,13 +1459,52 @@ bits and one stop bit. @var{parity} is one of @samp{no}, @samp{odd},
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@samp{even} and defaults to @samp{no}.
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The serial port is not used as a communication channel unless the
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@command{terminal} command is used (@pxref{terminal}).
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@command{terminal_input} or @command{terminal_output} command is used
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(@pxref{terminal_input}, @pxref{terminal_output}).
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This command is only available if GRUB is compiled with serial
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support. See also @ref{Serial terminal}.
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@end deffn
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@node terminal_input
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@subsection terminal_input
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@deffn Command terminal_input [@option{--append}|@option{--remove}] @
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[terminal1] [terminal2] @dots{}
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List or select an input terminal.
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With no arguments, list the active and available input terminals.
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With @option{--append}, add the named terminals to the list of active input
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terminals; any of these may be used to provide input to GRUB.
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With @option{--remove}, remove the named terminals from the active list.
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With no options but a list of terminal names, make only the listed terminal
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names active.
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@end deffn
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@node terminal_output
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@subsection terminal_output
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@deffn Command terminal_output [@option{--append}|@option{--remove}] @
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[terminal1] [terminal2] @dots{}
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List or select an output terminal.
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With no arguments, list the active and available output terminals.
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With @option{--append}, add the named terminals to the list of active output
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terminals; all of these will receive output from GRUB.
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With @option{--remove}, remove the named terminals from the active list.
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With no options but a list of terminal names, make only the listed terminal
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names active.
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@end deffn
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@node terminfo
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@subsection terminfo
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@ -1499,6 +1557,7 @@ you forget a command, you can run the command @command{help}
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* search:: Search devices by file, label, or UUID
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* set:: Set an environment variable
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* unset:: Unset an environment variable
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* uppermem:: Set the upper memory size
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@end menu
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@ -1921,6 +1980,12 @@ Unset the environment variable @var{envvar}.
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@end deffn
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@node uppermem
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@subsection uppermem
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This command is not yet implemented for GRUB 2, although it is planned.
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@node Security
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@chapter Authentication and authorisation
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@ -2190,8 +2255,9 @@ just do:
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@end group
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@end example
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Also, the latest version is available from the SVN. See
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@uref{http://savannah.gnu.org/svn/?group=grub} for more information.
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Also, the latest version is available using Bazaar. See
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@uref{http://www.gnu.org/software/grub/grub-download.en.html} for more
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information.
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@node Reporting bugs
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@appendix Reporting bugs
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