----- Original Message ----- From: "Raj Mathur" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, July 22, 2003 3:01 PM Subject: Re: [LIH]ACL
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > >>>>> "Komal" == agencies ad1 <komal> writes: > > Komal> What is ACL (access control list) and how does it relate to > Komal> XFS? In Linux we have permission per user ,group,and other > Komal> how it is different from it? Thanking you Komal > > Access Control Lists refers to a method of giving fine-grained access > to files and directories. The user, group and other method of access > control that the standard Linux filesystems use is too coarse in many > circumstances. So when you have, for instance, a file in which you > want to grant read access to some users, write to other users and > similarly read and write to specific groups, you can use a filesystem > with ACLS. > > Using ACLs you can define the following (from my experience with XFS): > > - - Read, write and execute permissions for user and group of file and > others. This is the standard Unix file permission paradigm. > > - - User and group masks that will be automatically applied to new > permissions. The masks consist of r,w and x bits. If a bit is > off in the mask, the corresponding permission will not be enabled on > fresh ACLs even if the ACL explicitly requests it. > > - - A list of users and groups. r, w and x permissions can be granted > to each user and group in the list on an individual basis. > > - - Directories also have a ``default'' ACL, which consists of the three > items above and which is automatically applied to all new files > created under that directory. This is sort of equivalent to the > ``Inherit permissions'' feature on Winduhs. As far as I can make out > the (now defunct) POSIX 1003.1e standard for ACLs does not support the > concept of default ACLs. > > Regards, > Excellent .To the point I learn many thing from above paragraph.Apart from XFS which other filesystem offer ACL? Thank you Komal ------------------------------------------------------- This SF.net email is sponsored by: VM Ware With VMware you can run multiple operating systems on a single machine. WITHOUT REBOOTING! Mix Linux / Windows / Novell virtual machines at the same time. Free trial click here: http://www.vmware.com/wl/offer/345/0 _______________________________________________ linux-india-help mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/linux-india-help
