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Re: open() BSD call fails on Mac OS Tiger??



Hi

Here I am login through root which is system administrator. But my problem is Why I am not able to raw read hard disk using open() BSD call on Mac OS Tiger.

Thanks and Regards



From: Peter S Lau <email@hidden>
To: Finlay Dobbie <email@hidden>
CC: darpan kamboj <email@hidden>, email@hidden
Subject: Re: open() BSD call fails on Mac OS Tiger??
Date: Tue, 18 Oct 2005 13:57:50 -0400

On Oct 18, 2005, at 1:27 PM, Finlay Dobbie wrote:

On 18/10/05, Peter S Lau <email@hidden> wrote:

On Oct 18, 2005, at 9:22 AM, Finlay Dobbie wrote:

On 18/10/05, darpan kamboj <email@hidden> wrote:

Hi
    How can I give the permissions to raw read the hard disk.  I
login the
system as system administrator.


What do you mean by "system administrator"? Do you mean root?


The first user created during the OS installation.

if you go to System Preferences : Accounts, the user should be listed
a s "Admin".


Yes, but "System Administrator" is the long-name that OS X assigns to root. There is an important distinction.

I think I came across that and I am always confused by it. I have two machines, both with root enabled using NetInfo and it does not show up in System Preferences/Accounts. But I can login as root in Terminal as well as login window.


we ended up using the following terminologies, seems to agree with everyone we talked to.

"System Administrator" is also known as 'Admin', as the first user created during the OS installation. Besides as a user name, it also signal the access right, the owner of the machine.

root, is always just root, also known as the super user, not a normal part of Mac OS X user experience unless you are dealing with low level stuff (user or programmer).

so I took the above "system administrator" as the Admin user, not root.

pete

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