Configuring content types

For IMiS/ARChive to store objects their type needs to be identified. It uses RFC defined MIME types which are stored in IMiS/ARChive configuration database. Thru IMiS/ARChive web administration module these types can be looked at but not modified. The list will be updated with upgrade patches as new MIME types are widely accepted by IT community. Ofcourse administrator can also define user defined MIME types but Imaging Systems strongly advise against that. IMiS/ARChive also uses internal compression algorithms to further compress objects that are stored. Different compression algorithms can be "binded" to different MIME types according to which is best suited for certain object. See

for more details.

New MIME types can be added thru OS console with utility iaddcntyp which can be found among IMiS/ARChive binaries (/iarc/bin). Syntax for adding new content types:

iaddcntyp <Content Type> <Compress Lib ID>

e.g: root@imisarc> /iarc/bin/iaddcntyp application/pdf 0

which means: "add content type <application/pdf> and use compression library with id 0 to internally compress objects of these types". You should get familiar with compression libraries which IMiS/ARChive provides to learn which compression library best suits each object that needs to be stored (see

for more details). Usually administrator doesn't need to modify or manually edit this list since its updated by every new maintenance release that Imaging Systems provides.

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