IEEE 1003.1-2001

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IEEE Standard for IEEE Information Technology – Portable Operating System Interface (POSIX(TM))

Published By	Publication Date	Number of Pages
IEEE	2001

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Description

Revision Standard – Superseded. This standard defines a standard operating system interface and environment, including a command interpreter (or “shell”), and common utility programs to support applications portability at the source code level. It is the single common revision to IEEE Std 1003.1-1996, IEEE Std 1003.2-1992, and the Base Specifications of The Open Group Single UNIX(TM)† Specification, Version 2. This standard is intended to be used by both applications developers and system implementors and comprises four major components (each in an associated volume)

PDF Catalog

PDF Pages	PDF Title
1	1003.1-2001_vol1 Title Page
2	Abstract
7	CONTENTS
23	Introduction
30	Participants
35	Trademarks
36	Acknowledgements
37	Referenced Documents
45	Chapter 1—Introduction 1.1 Scope
48	1.2 Conformance 1.3 Normative References
49	1.4 Terminology
50	1.5 Portability
59	Chapter 2—Conformance 2.1 Implementation Conformance
73	2.2 Application Conformance
75	2.3 Language-Dependent Services for the C Programming Language 2.4 Other Language-Related Specifications
77	Chapter 3—Definitions A
81	B
89	C
94	D
96	E
99	F
103	G H
104	I
105	J L
106	M
109	N
111	O
113	P
119	R
122	S
131	T
135	U
137	V W
138	X Z
141	Chapter 4—General Concepts 4.1 Concurrent Execution 4.2 Directory Protection 4.3 Extended Security Controls 4.4 File Access Permissions
142	4.5 File Hierarchy 4.6 Filenames 4.7 File Times Update
143	4.8 Host and Network Byte Orders 4.9 Measurement of Execution Time
144	4.10 Memory Synchronization 4.11 Pathname Resolution
145	4.12 Process ID Reuse 4.13 Scheduling Policy
146	4.14 Seconds Since the Epoch 4.15 Semaphore
147	4.16 Thread-Safety 4.17 Tracing
149	4.18 Treatment of Error Conditions for Mathematical Functions
150	4.19 Treatment of NaN Arguments for the Mathematical Functions
151	4.20 Utility 4.21 Variable Assignment
153	Chapter 5—File Format Notation
157	Chapter 6—Character Set 6.1 Portable Character Set
160	6.2 Character Encoding
161	6.3 C Language Wide-Character Codes 6.4 Character Set Description File
165	Chapter 7—Locale 7.1 General
166	7.2 POSIX Locale 7.3 Locale Definition
195	7.4 Locale Definition Grammar
203	Chapter 8—Environment Variables 8.1 Environment Variable Definition
204	8.2 Internationalization Variables
207	8.3 Other Environment Variables
211	Chapter 9—Regular Expressions 9.1 Regular Expression Definitions
212	9.2 Regular Expression General Requirements
213	9.3 Basic Regular Expressions
217	9.4 Extended Regular Expressions
221	9.5 Regular Expression Grammar
227	Chapter 10—Directory Structure and Devices 10.1 Directory Structure and Files 10.2 Output Devices and Terminal Types
229	Chapter 11—General Terminal Interface 11.1 Interface Characteristics
235	11.2 Parameters that Can be Set
243	Chapter 12—Utility Conventions 12.1 Utility Argument Syntax
245	12.2 Utility Syntax Guidelines
247	Chapter 13—Headers 13.1 Format of Entries
248
252
258
261
265
280
283
287
307
317
329
337
339
420
440
463
471	Index for Base Definitions
493	1003.1-2001_vol2 Title Page
494	Abstract
499	CONTENTS
503	Introduction
509	Participants
514	Trademarks
515	Acknowledgements
516	Referenced Documents
523	Chapter 1. Introduction 1.1 Scope 1.2 Conformance 1.3 Normative References 1.4 Change History 1.5 Terminology
525	1.6 Definitions 1.7 Relationship to Other Formal Standards 1.8 Portability
533	1.9 Format of Entries
535	Chapter 2. General Information 2.1 Use and Implementation of Functions 2.2 The Compilation Environment
543	2.3 Error Numbers
550	2.4 Signal Concepts
556	2.5 Standard I/O Streams
560	2.6 STREAMS
561	2.7 XSI Interprocess Communication
563	2.8 Realtime
572	2.9 Threads
580	2.10 Sockets
592	2.11 Tracing
602	2.12 Data Types
605	Chapter 3. System Interfaces
606	FD_CLR( )
607	_Exit( )
608	_longjmp( )
610	_tolower( )
611	_toupper( )
612	a64l( )
664	basename( )
675	cabs( )
765	daylight
788	ecvt( )
838	fabs( )
1004	gcvt( )
1102	h_errno
1109	iconv( )
1184	j0( )
1187	kill( )
1191	l64a( )
1251	makecontext( )
1341	nan( )
1357	open( )
1369	pathconf( )
1682	qsort( )
1683	raise( )
1745	scalb( )
2000	tan( )
2066	ualarm( )
2089	va_arg( )
2104	wait( )
2182	y0( )
2185	Index for System Interfaces
2213	1003.1-2001_vol3 Title Page
2219	CONTENTS
2225	Introduction
2231	Participants
2236	Trademarks
2237	Acknowledgements
2238	Referenced Documents
2245	Chapter 1— Introduction 1.1 Scope 1.2 Conformance 1.3 Normative References 1.4 Change History 1.5 Terminology
2247	1.6 Definitions 1.7 Relationship to Other Documents
2253	1.8 Portability
2261	1.9 Utility Limits
2263	1.10 Grammar Conventions
2264	1.11 Utility Description Defaults
2271	1.12 Considerations for Utilities in Support of Files of Arbitrary Size
2272	1.13 Built-In Utilities
2273	Chapter 2—Shell Command Language 2.1 Shell Introduction
2274	2.2 Quoting
2275	2.3 Token Recognition
2277	2.4 Reserved Words 2.5 Parameters and Variables
2280	2.6 Word Expansions
2287	2.7 Redirection
2290	2.8 Exit Status and Errors
2291	2.9 Shell Commands
2299	2.10 Shell Grammar
2305	2.11 Signals and Error Handling 2.12 Shell Execution Environment
2306	2.13 Pattern Matching Notation
2308	2.14 Special Built-In Utilities
2345	Chapter 3—Batch Environment Services 3.1 General Concepts
2348	3.2 Batch Services
2366	3.3 Common Behavior for Batch Environment Utilities
2369	Chapter 4—Utilities
2370	admin
2431	basename
2455	c99
2537	date
2575	echo
2676	false
2714	gencat
2742	hash
2747	iconv
2762	jobs
2771	kill
2776	lex
2820	m4
2901	newgrp
2920	od
2928	paste
3001	qalter
3057	read
3074	sact
3134	tabs
3182	ulimit
3226	val
3282	wait
3298	xargs
3304	yacc
3320	zcat
3323	Index for Shell and Utilities
3335	1003.1-2001_vol4 Title Page
3341	CONTENTS
3349	Introduction
3354	Participants
3359	Trademarks
3360	Acknowledgements
3361	Referenced Documents
3369	Part A: Base Definitions (Informative)
3371	Appendix A Rationale for Base Definitions A.1 Introduction
3377	A.2 Conformance
3381	A.3 Definitions
3401	A.4 General Concepts
3409	A.5 File Format Notation
3410	A.6 Character Set
3413	A.7 Locale
3423	A.8 Environment Variables
3426	A.9 Regular Expressions
3433	A.10 Directory Structure and Devices
3434	A.11 General Terminal Interface
3440	A.12 Utility Conventions
3443	A.13 Headers
3445	Part B: System Interfaces (Informative)
3447	Appendix B Rationale for System Interfaces B.1 Introduction
3454	B.2 General Information
3575	B.3 System Interfaces
3585	Part C: Shell and Utilities (Informative)
3587	Appendix C C.1 Introduction
3598	C.2 Shell Command Language
3622	C.3 Batch Environment Services and Utilities
3628	C.4 Utilities
3633	Part D: Portability Considerations (Informative)
3635	Appendix D D.1 User Requirements
3638	D.2 Portability Capabilities
3645	D.3 Profiling Considerations
3657	Part E: Subprofiling Considerations
3659	Appendix E Subprofiling Considerations (Informative) E.1 Subprofiling Option Groups
3665	Index for Rationale