(1) A file used to record changes made in a system.
(2) A collection of records that sequentially describes the events that occur in a system.
(3) In Backup, Recovery, and Media Services, a history of backup, archive, recovery, and media management operations. A log can be displayed online or printed.
(4) In WebSphere MQ, a file recording the work done by queue managers while they receive, transmit, and deliver messages, to enable them to recover in the event of failure.
(5) A record of events.