acl: acl (tools for using POSIX Access Control Lists) acl: acl: This package contains a set of tools and libraries for manipulating acl: POSIX Access Control Lists. POSIX Access Control Lists (defined in acl: POSIX 1003.1e draft standard 17) are used to define more fine-grained acl: discretionary access rights for files and directories. acl: acl: acl: acl: Homepage: http://savannah.nongnu.org/projects/acl acl: