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document GRUB_DISABLE_SUBMENU

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Signed-off-by: Andrey Borzenkov <arvidjaar@gmail.com>
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Andrey Borzenkov 2013-11-10 17:40:47 +04:00
parent 33690255c5
commit 5645cc7995
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docs/grub.texi
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@ -1450,6 +1450,18 @@ Normally, @command{grub-mkconfig} will try to use the external
systems installed on the same system and generate appropriate menu entries
for them. Set this option to @samp{true} to disable this.
@item GRUB_DISABLE_SUBMENU
Normally, @command{grub-mkconfig} will generate top level menu entry for
the kernel with highest version number and put all other found kernels
or alternative menu entries for recovery mode in submenu. For entries returned
by @command{os-prober} first entry will be put on top level and all others
in submenu. If this option is set to @samp{y}, flat menu with all entries
on top level will be generated instead. Changing this option will require
changing existing values of @samp{GRUB_DEFAULT}, @samp{fallback} (@pxref{fallback})
and @samp{default} (@pxref{default}) environment variables as well as saved
default entry using @command{grub-set-default} and value used with
@command{grub-reboot}.
@item GRUB_ENABLE_CRYPTODISK
If set to @samp{y}, @command{grub-mkconfig} and @command{grub-install} will
check for encrypted disks and generate additional commands needed to access