(1) In System Manager, a function that assigns alerts or problems into groups and specifies the actions to take for each group. A filter consists of selection entries and action entries.
(2) A device or program that separates data, signals, or material in accordance with specified criteria. See also servlet filtering.
(3) A command that reads standard input data, modifies the data, and sends it to standard output. A pipeline usually has several filters.
(4) An ESQL expression that is applied to the content of a message to determine how the message is processed.
(5) A mechanism that is used to query libraries, objects, and members on a System i server, and organize them for viewing in the Remote System Explorer. See also filter pool, filter string.
(6) In Infoprint Server, a program that can add, delete, or modify input data. Infoprint Server provides support for two types of filter programs: DLL filters and UNIX filters. See also DLL filter.