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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Ada download
Date: Sat, 06 Jan 2018 13:36:44 +0000
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Date: 2018-01-06T13:36:44+00:00
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sophia.adampour@gmail.com writes:

>> Do you need to be superuser to perform this install? I'm no Apple
>> expert so I'd have to stop there.
>
>
> I am logged in as the main user. There is only one user on my Mac
>
> Thank you for any help!

Sophia,

You're installing to a place that requires superuser ('root')
permissions.

As the only user, you run normally without superuser permissions, but
yours is an administrator account, which means you have (given yourself
at installation) permission to run temporarily as superuser. When you've
installed/upgraded software, you'll have seen dialog boxes asking you to
enter your password to allow the installation (that is, your login
password, not your Apple ID). This is a security feature, to make sure
that the alteration to your system is OK, not being done by some evil
trojan or someone who's got at your machine while you were away for a
moment.

You do the installation from the command line by

   $ sudo ./doinstall

and the system will respond

   Password:

(I see a little shadowed key icon after the ':'): enter your login
password and the installation should carry on OK.

'man sudo' for more info than you need about sudo!