8.3 filename A filename that consists of no more than eight characters plus an optional dot (.) and three-character extension. This file-naming limit exists in DOS and the original File Allocation Table (FAT) filesystem it uses.
access control list (ACL) A security system that provides a list of usernames or groups and their permissions to access a resource. ACLs are expanding and supplementing traditional Unix-style permissions on new filesystems. Ext2fs, ext3fs, ext4fs, ReiserFS, JFS, and XFS all support ACLs natively.
account Stored information and a reserved directory that allows one individual to use a computer. The term is often used and thought of as if it were a distinct virtual component of a computer that a person ...