/sbin/init overrides HOME and TERM env vars
Stefan Seyfried
stefan.seyfried at googlemail.com
Sat Mar 12 12:00:15 UTC 2022
On 12.03.22 11:19, jkm wrote:
> Dear Stefan
>
>> Looking at the kernel code in init/main.c, it does look like HOME=/
>> TERM=linux is hard coded in the kernel with no way to override this
>> from the command line.
>
> I guess you are wrong.
> HOME and TERM env vars can be overriden with boot params.
Ok, then I was reading the kernel code wrong ;-)
> Anyway, if HOME=/ is hardcoded in the kernel then what is the reason for
> setting it in init command for the second time?
>
> putenv((char *) "HOME=/");
I guessed it was some (old) compatibility stuff, reaching back to
kernels 0.99.x when HOME and TERM might not have been set by the kernel
already ;-)
>> Did you check if you can actually set this to something else?
>
> Yes, I did.
Then I'll shut up now :-)
--
Stefan Seyfried
"For a successful technology, reality must take precedence over
public relations, for nature cannot be fooled." -- Richard Feynman
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