26.10. Editing File ACLs
Standard UNIX file permissions and ownership are a simple way of controlling who can access a file, but are not very flexible. A superior alternative that is available on many operating systems is POSIX ACLs. POSIX is a set of standards that applies to many UNIX systems, and ACL stands for Access Control List. By setting up an ACL for a file, you can grant permissions to additional users or groups in addition to the normal owner and group. When editing the ACL for a directory, defaults for newly created files in that directory can be set as well.
The xfs filesystem type on Irix and Linux includes ACL support, as do ufs filesystems on Solaris. If you have the right kernel patches installed, ext2 and ext3 filesystems on ...
Get Managing Linux® Systems with Webmin™ System Administration and Module Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
