Where does umask get set at system startup? Mine seems to have changed to 0002 recently

[Tom H]

On Fri, Apr 23, 2021 at 1:55 PM Chris Green <cl at isbd.net> wrote:
> On Fri, Apr 23, 2021 at 10:52:34AM +0200, Tom H wrote:
>>>
>>> I'm not at all convinced that this is really a 'good thing' but
>>> it does at least seem to explain why my umask is now 0002 rather
>>> than 0022.
>>
>> "002" means that the group has the same perms as the user for UPG.
>> Given that the UPG group's only member is the user, it's mostly a
>> cosmetic change.
>>
> Yes, but this (now standard) configuration of every user having a
> unique group ID as well does make groups pretty useless. Admittedly
> most Linux systems are probably single user so it makes no odds
> really.

Most Linux systems are multi-user systems. There may be 10s of
thousands of users with single-user systems on the various
distribution mailing lists, but there are 10s (if not 100s) of
millions of multi-user systems in corporations and organisations
across the world.