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All right, let's talk
about defaults for new users.

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So user add D is what
you can use from the command line.

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More commonly used is etc login.devs we already
had to look at it, particularly at the value

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that you need to change to make sure
that passwords are Valid shorter than 99,999 days.

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Then there is etc scale which
is a directory and the contents of

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this directory is copied to user
home directory when the user is created.

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You should know that Linux does not offer
an easy solution to apply default settings to

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previously created users. Probably you need to
apply them afterwards using the user mod command.

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And best thing to do
is do it in a specific

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loop user mod or passwd
to change the relevant parameters.

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Okay, I want to show you
the contents of this etc skell.

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So LS al on etc scale
is showing the skeleton directory and

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this is everything that is copied
to the new user home directory.

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So let me use a
sudo sh c and I

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don't even need sh c,
just sudo cat just sudo

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touch etc scale my file
with a typo. Who cares?

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Now I'm going to use user add Bob
with sudo privileges. Of course, now I'm using

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sudo su Bob to open a shell as
user bob. Notice that you can easily do

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that if you combine with sudo because then
no password is asked for and it doesn't

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matter that user Bob doesn't have
a password. And what do we see?

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We see that my file,
including the typo, has been copied

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into the user skeleton directory.
That's how the skeleton is working.