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cda(4) Kernel Interfaces Manual cda(4) NAME cda, CDA - Compound Document Architecture DESCRIPTION Digital's CDA(TM) architecture is an enabling technology for the cre- ation and storage of compound documents and tabular data encompassing multiple interchange formats, services, and applications. The CDA architecture defines two document formats and a mail syntax for the sharing and transport of revisable compound document and tabular file formats: DDIF(TM) (Digital Document Interchange Format) is the in- terchange and application file format for compound documents containing text, graphics, images, and audio. DTIF(TM) (Digital Table Interchange Format) is the interchange and application file format for tabular data, such as spreadsheets and multidimensional tables. DOTS (Data Ob- ject Transport Syntax) is a transparent interface for the transfer of compound documents with external links to multiple subfiles via mail systems. DDIF, DTIF, and DOTS are based on DDIS (Digital Data Interchange Syn- tax), an ASN.1 syntax that conforms to the specifications of Interna- tional Standards Organization Abstract Syntax Notation One (ISO ASN.1). DEC CDA Run-Time Services provides the facilities for CDA applications to create, store, interchange, and display CDA-supported compound docu- ment and tabular file formats. The run-time environment includes the following: A library of callable routines used by applications capable of reading and writing DDIF (Digital Document Interchange Format) and DTIF (Digital Table Interchange Format) files and invoking CDA convert- ers. A command line interface to display and convert revisable com- pound document and tabular files from one format to another using the run-time converters. A windows-based CDA Viewer provides the option to display CDA documents on DIGITAL UNIX systems which have installed DECwindows Motif. DEC CDA Run-Time Services are available in the OSFCDABASE and OSFXCDA subsets of the DIGITAL UNIX kit or in the DEC CDA Run-Time Services layered product. For more information on converting files, refer to manpages for the cdoc command, cda_msg, and run-time converters: ddifanls, ddifps, ddif- text, dtifddif, dtifanls, and textddif. For more information on viewing files, refer to manpages for the vdoc and dxvdoc commands, dvr_msg, and cda_msg. Network services such as DECwindows Motif mail, DECnet(TM), the File Transfer Protocol, DEC(TM) MAILworks(TM), PATHWORKS(TM), and ACA(TM) LiveLinks(TM) support transfer of CDA documents among key NAS(TM) plat- forms: VMS(TM) and ULTRIX(TM) DECwindows(TM) Motif(R), Sun(TM) SPARC- stations(TM), DIGITAL UNIX (R), MS-DOS(R) Microsoft(R) Windows(TM), and OS/2(TM). For more information, refer to manpages for DOTS and the dtoc and ctod commands. There are a number of Digital and third-party CDA-capable applications currently available on DIGITAL UNIX DECwindows Motif and other plat- forms. See your Digital sales representative for further information. Sun and SPARCstation are trademarks of Sun Microsystems, Inc. Motif and OSF/1 are registered trademarks of Open Software Foundation, Inc. MS-DOS and Microsoft are registered trademarks of Microsoft Corpora- tion. Windows is a trademark of Microsoft Corporation. ACA, CDA, DDIF, DEC MAILworks, DEC, DECnet, DECwindows, DTIF, LiveLinks, NAS, PATHWORKS, ULTRIX, VMS, and the Digital logo are trade- marks of Digital Equipment Corporation. OS/2 is a trademark of International Business Machines Corporation. SEE ALSO cdoc(1), ctod(1), ddifanls(1), ddifps(1), ddiftext(1), dtifanls(1), dtifddif(1), dtoc(1), dxvdoc(1X), textddif(1), vdoc(1), cda_msg(4), ddif(4), ddis(4), dots(4), dtif(4), dvr_msg(4) cda(4)