Within /etc/rc I run some init routines that also set/expand
environment variables. But after the startup is complete all the
environment variables are back to their default values.
AFAIK, the (serial) terminal runs as a new process after the init rc is
done. so all environment settings are lost.
You can echo all environment settings you want to keep to a file (by
echo ENVVAR1=$ENVVAR1 > /etc/rcc
echo ENVVAR2=$ENVVAR2 >> /etc/rcc
...
and do
. /etc/rcc in the shell before you need the environment settings.
see http://www.nioswiki.com/Initialization_Script
-Michael
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