Hubert Kleinmanns wrote:
"echo $SHLVL" returns always "1" after a "su - ...", but another value after a "su
..." (without th dash). I thought, this was what you would like to see.
There are several mechanism, to distinguish between the primary login shell and a
"su ..." shell:
I for one don't see why that might be useful:-)
To find out if you use the original environment or the environment of the SUed
user.
Why is that useful?
--
Cheers
John
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