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I want to know if it's possible to assign permissions in a *nix on a user-by-user basis. Let's say I have a folder. I want User A to have rwx permissions to this folder, User B to have rw- permissions and User C to only have r-- permissions. I can't create a group, because everyone in that group will have the same permissions. I want some way to tell OS X to give Users A, B and C specific, distinct permissions. It would also be helpful is this was possible for groups, as well. By all indications, I don't think this is possible, but maybe someone can enlighten me.

Unless your *nix varient and its filesystem supports ACLs, this is a no go. At this moment, I don't think MacOS X supports them.

Durandal wrote:I want to know if it's possible to assign permissions in a *nix on a user-by-user basis.

I concur with phongn. Unless ACL's are supported, there's no proper way to assign permissions on a user-by-user basis. That leaves us with an ugly mess of group permission trickery...

Have User A own the folder, with "rwx" permissons. Assign User B to Group B, which has group ownership of the folder, and has "rw" permissions. Then, set the "other" permissions to "r."

Er, yeah, that's not what you wanted at all.

The problem is that that method isn't extensible beyond 3 users.
I guess I could just use separate directories or some other hodgepodge method. I thought that Windows was capable of doing this ...

Windows NT, 2K, 2K3 and XP Pro are easily capable of doing this. I thought you were trying to do this on *nix?

phongn wrote:Windows NT, 2K, 2K3 and XP Pro are easily capable of doing this. I thought you were trying to do this on *nix?

I was just musing. Is this in any way possible with Samba 3.0? Or does it talk directly to the system for permissions?

AFAIK, it talks to the system.

Dual boot yellowdog with ACL patches. .

Can you patch darwin and still run MacOSX?

Pu-239 wrote:Can you patch darwin and still run MacOSX?

As far as I know, yes.