(1) The process of handling files or directories that are modified during backup or archive processing.
(2) The process of controlling access to a resource to protect the integrity of the resource.
(3) The consecutive ordering of items.
(4) In Q replication, the process of applying transactions in the same order in which they were committed at the source.
(5) In object-oriented programming, the writing of data in sequential fashion to a communications medium from program memory.