QUESTIONS:

$1$ which is more recommended you run to add a user? useradd or adduser? Why?

$2.$ What is sudo? Why is it required for most of the commands we are performing?

$3.$ Let's assume you have a folder named "stuff" and you wish to make "stuff" readable and writable for the owner, readable by groups and others, how would you do this?

$4.$Interpret these permissions: $dr-xr{w}^{--w^{-}}$

a$.$ Owner:

b$.$ Group:

c$.$ Other