Introduction.......................................................	vi
    Purpose.........................................................	vi
    The	POSIX Open System Environment Reference	Model...............   vii
    Goals...........................................................   vii
    Benefits........................................................  viii
    Related Standards Activities....................................	 x

 Section 1: General.................................................	 1
    1.1	  Scope.....................................................	 1
    1.2	  Normative References......................................	 2
    1.3	  Conformance...............................................	 2
    1.4	  Test Methods..............................................	 3

 Section 2: Terminology	and General Requirements....................	 5
    2.1	  Conventions...............................................	 5
    2.2	  Definitions...............................................	 5
	  2.2.1	 Terminology........................................	 5
	  2.2.2	 General Terms......................................	 6
	  2.2.3	 Abbreviations......................................	12

 Section 3: POSIX Open System Environment...........................	13
    3.1	  POSIX	Open System Environment	- General Requirements......	14
    3.2	  POSIX	Open System Environment	Reference Model.............	16
    3.3	  POSIX	Open System Environment	Services....................	24
    3.4	  POSIX	Open System Environment	Standards...................	25
    3.5	  POSIX	Open System Environment	Profiles....................	28
    3.6	  Application Platform Implementation Considerations........	28

 Section 4: POSIX Open System Environment Services..................	33
    4.1	  Language Services.........................................	37
    4.2	  System Services...........................................	45
    4.3	  Network Services..........................................	61
    4.4	  Database Services.........................................	83
    4.5	  Data Interchange Services.................................	93
    4.6	  Transaction Processing Services...........................   101
    4.7	  Graphical Window System Services..........................   111
    4.8	  Graphics Services.........................................   127
    4.9	  Character-Based User Interface Services...................   145
    4.10  User Command Interface Services...........................   151

 Section 5: POSIX OSE Cross-Category Services.......................   159
    5.1	  Internationalization......................................   161
    5.2	  System Security Services..................................   177
    5.3	  Information System Management.............................   183

 Section 6: Profiles................................................   193
    6.1	  Scope.....................................................   193
    6.2	  Profile Concepts..........................................   193
    6.3	  Guidance to Profile Writers...............................   196

 Section 7: POSIX SP Profiling Efforts..............................   203
    7.1	  Introduction..............................................   203
    7.2	  General Purpose POSIX	SPs.................................   203

 Annex A (informative) Considerations for Developers of	POSIX SPs...   213
    A.1	  Introduction..............................................   213
    A.2	  Scope.....................................................   213
    A.3	  The Role of POSIX SPs.....................................   214
    A.4	  Special Rules	for POSIX SPs...............................   215
    A.5	  Other	Issues..............................................   217
    A.6	  Conformance to a POSIX SP.................................   218
    A.7	  Structure of Documentation for POSIX SPs..................   218
    A.8	  Rules	for Drafting and Presentation of POSIX SPs..........   220

 Annex B (informative) Bibliography.................................   225

 Annex C (informative) Standards Infrastructure	Description.........   227
    C.1	  Introduction..............................................   227
    C.2	  The Formal Standards Groups...............................   228
    C.3	  Related Organizations.....................................   241

 Annex D (informative) Electronic-Mail..............................   253

 Annex E (informative) Additional Material..........................   255
    E.1	  Software Development Environments.........................   255

 Alphabetic Topical Index...........................................   263