On Tue, Mar 2, 2010 at 5:20 PM, Ansgar Burchardt <firstname.lastname@example.org> wrote:
> Alexey Salmin <email@example.com> writes:
>> Hello! /etc/group in default debain installation contains dozens of
>> groups and I'm wondering: how to determine their purpose? Which
>> package did some specific group came from? What purpose does it serve?
> Users and groups that are not created on package installation are
> documented in the base-passwd package. For example, for the ssh group
> you mention it contains the following information:
> ssh: ssh-agent is setgid to ssh in order to prevent ptrace attacks.
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Thanks a lot! Didn't know that.
Just wondering: why there are so many users and groups which are not
created on package installation?