Digital UNIX

by FIRST_NAME LAST_NAME

AA-QTLLA-TEDigital UNIX Version 4.0 or higherDigital Equipment Corporation

Maynard Massachusetts

This document describes the functionality in Digital UNIX Version 4.0. Digital UNIX was formerly called DEC OSF/1.

Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.

Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth in subparagraph (c) (1) (ii).

The following are trademarks of Digital Equipment Corporation: ALL–IN–1, Alpha AXP, AlphaGeneration, AXP, Bookreader, CDA, DDIS, DEC, DEC Ada, DEC Fortran, DEC FUSE, DECnet, DECstation, DECsystem, DECterm, DECUS, DECwindows, DTIF, Massbus, MicroVAX, OpenVMS, POLYCENTER, Q–bus, TruCluster, ULTRIX, ULTRIX Mail Connection, ULTRIX Worksystem Software, UNIBUS, VAX, VAXstation, VMS, XUI, and the Digital logo.

BSD is a trademark of Uunet Technologies. Prestoserve is a trademark of Legato Systems, Inc.; the trademark and software are licensed to Digital Equipment Corporation by Legato Systems, Inc. NFS is a registered trademark of Sun Microsystems, Inc. ONC is a trademark of Sun Microsystems, Inc. Open Software Foundation, OSF, OSF/1, OSF/Motif, and Motif are trademarks of the Open Software Foundation, Inc. Sun is a registered trademark of Sun Microsystems, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd. X/Open is a trademark of X/Open Company Limited.

All other trademarks and registered trademarks are the property of their respective holders.

Table of Contents
About This Manual
Audience
Organization
Related Documents
Reader's Comments
Conventions
1. Introduction
Overview of Digital UNIX Version 4.0
Packaging
2. Symmetrical Multiprocessing
Overview
Implementation
3. Networking
Overview
The Internet Protocol Suite
Application-Level Protocols
Transport-Level Protocols
Network-Level Protocols
Supported Networks
ATM
Ethernet
Fast Ethernet
FDDI
Token Ring
Application Programming Interfaces
X/Open Transport Interface
Sockets
STREAMS
Sockets and STREAMS Interaction
Data Link Interface (DLI)
Data Link Provider Interface (DLPI)
Extensible SNMP Interface (eSNMP)
Network Administration Software
Networking Commands and Utilities
Ethernet Packet Filter and Packet Filter Applications
Dynamic Host Configuration Protocol
The Internet Boot Protocol Daemon (bootpd)
SNMP Agent
The gated Daemon
The screend Daemon
UNIX-to-UNIX Copy Program
Local Area Transport
Naming Services
The BIND Service
Network Information Service
Time Services
Network Time Protocol
Time Synchronization Protocol
4. File System
Overview
Virtual File System
UNIX File System
Network File System
NFS Version 3 Functionality
Digital Enhancements to NFS
CD-ROM File System
Memory File System
/proc File System
File-on-File Mounting File System
File Descriptor File System
POLYCENTER Advanced File System
Logical Storage Manager
Overlap Partition Checking
Partition Overlap Checks Added to Utilities
Library Functions for Partition Overlap Checking
Prestoserve File System Accelerator
5. Virtual Memory
Overview
Lazy Allocation Policy
Eager Reservation Policy
Unified Buffer Cache
Round-Robin Swapping
Page In and Page Out Clustering
Memory-Mapped Device Interface
Mach mmap MAP_PRIVATE Semantics and System V Release 4.0
Secure Shared Memory Segments
Shared Text Segments
Page Coloring
Caches
Kernel Memory Allocator
External Pager
Improved Memory Reclamation Policy
Rewrote Swap Allocation Mechanism
6. I/O Subsystem
Overview
Supported Buses
PCI Bus
ISA Bus
EISA Bus
Futurebus+
SCSI Bus
TURBOchannel Bus
XMI Bus
VME Bus
7. Development Environment
Overview
Compiler
Debuggers
The dbx Debugger
The ladebug Debugger
Profiling Tools
Shared Libraries
Quickstart
Dynamic Loader
Versioning
Run-Time Libraries
Development Commands
DECthreads
Thread Independent Services
Memory-Mapped File Support (mmap)
Realtime
8. Windowing Environment
Overview
Common Desktop Environment
X Window System
X Client Libraries
X Server
Display Manager
Font Server
X Clients
Motif
Digital Extended Widget Set
Digital X Clients
9. System V Functionality
Overview
System V Compatibility Habitat
The System V Environment
10. Internationalization
Overview
Supported Languages
Code Conversion and the iconv Utility
Unicode Support
ISO-C
Internationalized Curses
Printing
Creating Locales and the localedef Utility
I18N Configuration Tool
Special Support for Ideogrammatic Languages
Sorting and the asort Utility
Multilingual EMACS
Mail and 8-Bit Support
User-Defined Characters
Internationalization and Motif
Internationalized Motif Widgets
Internationalized Common Desktop Environment (CDE)
Internationalized DECwindows X Clients
11. Security
Overview
C2 Functionality and TCSEC
Audit
Identification and Authentication
Object Reuse
Discretionary Access Controls
System Architecture
Integrity
Enhanced Security Administration
Other Security Features
Security Integration Architecture
Toggling Between Security Mechanisms
Network Information Service (NIS) Compatibility
DECnet Interoperability
Distributed Computing Environment (DCE) Interoperability
Configuration and Setup Scripts
Graphical User Interfaces
Performance
12. Installation and System Setup
Overview
Installation
System Setup
13. System Administration
Overview
System Management Graphical Interface Tools
System Management Graphical Interface Utilities
Text-Based Interfaces
The setld Utility
DECevent Event Management Utility
Analysis Tools with Object Modification
Enhanced Kernel Debugging
Dynamically Loadable Subsystems
Dynamic System Configuration
Dynamic Device Recognition
Dataless Management Services
Monitoring Performance History
Bootable Tape
A. Conformance to Internet Host Requirements
Background
The Host Requirements RFCs (RFC 1122 and RFC 1123)
Configuring Digital UNIX to Conditionally Comply to the Host Requirements RFCs
Internet LayerDigital UNIX can be configured to comply with all must/must not level requirements for systems acting as Internet hosts.The Internet Engineering Steering Group (IESG) recommended to the IAB (in September, 1991) that the "Requirements for Internet IP Routers" specify the routing protocol Open Shortest Path First (OSPF) as "MUST IMPLEMENT". Digital UNIX contains latent support for OSPF as part of Cornell University's gated daemon. (RFC 1122)
Transmission Control Protocol (RFC 1122)
Index

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