Re: Negative permissions WITHOUT ACLs

In article <1160572724.150078.47390@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Starfish wrote:
Hello, if someone can answer this question you make a lot of Uppsala
University students happy.

Here goes: How do you specify negative permission¹ in Unix/Linux
without using ACLs?

¹E.g. saying that the user "Ellen" should not have write access to a
file regardless of the permissions given to her groups.


You don't. That's why they invented ACLs, because standard
UNIX permissions can't do that sort of thing.

--
Christopher Mattern

"Which one you figure tracked us?"
"The ugly one, sir."
"...Could you be more specific?"
.

Relevant Pages

  • Re: Negative permissions WITHOUT ACLs
    ... How do you specify negative permission¹ in Unix/Linux ... without using ACLs? ... saying that the user "Ellen" should not have write access to a ... Try making "Ellen" the owner of the file and giving it 464 access. ...
    (comp.security.unix)
  • Re: Negative permissions WITHOUT ACLs
    ... How do you specify negative permission¹ in Unix/Linux ... | without using ACLs? ... saying that the user "Ellen" should not have write access to a ... | file regardless of the permissions given to her groups. ...
    (comp.security.unix)
  • Re: Use SilverKeeper until time machine ships
    ... Tom Stiller wrote: ... seem to have no problem with unix permissions, ... permissions are stored with the home account, ... The same can be said of ACLs, ...
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  • Re: Leopard Time Machine
    ... that extend the unix permissions model to provide explicit rights to ... The Sharing and Permissions section just gives you the ability to see and manipulate traditional Unix permissions. ... Of course those are used the same way that ACLs are. ... For example suppose there is a file where you want group of users A and B to both have the right to change the file, but you wanted members of group A to be able to say who is in group B without giving those only in group B to be able to do that. ...
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  • Re: Does Microsoft lie about the Linux features?
    ... >> People keep saying this, but I've never figured out how to use windows ... >> ACLs to get the permissions that you usually want on a shared space ...
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