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docs: Add a link to environment variables

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This is trivial, but it might save some time to beginners.

Signed-off-by: Andrea G. Monaco <andrea.monaco@autistici.org>
Reviewed-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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Andrea G. Monaco 2021-01-09 19:30:34 +01:00 committed by Daniel Kiper
parent a3c4e680d4
commit d9b4638c50
1 changed files with 3 additions and 1 deletions
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docs/grub.texi
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@ -5412,7 +5412,9 @@ This command is only available on PC BIOS systems.
@deffn Command set [envvar=value]
Set the environment variable @var{envvar} to @var{value}. If invoked with no
arguments, print all environment variables with their values.
arguments, print all environment variables with their values. For the list of
environment variables currently used by GRUB itself see the relevant section
@pxref{Environment}.
@end deffn