Installation guide

Contents
About this Manual
Part 1 Introduction
1 Introduction to Migrating from ULTRIX to DIGITAL UNIX Systems
1.1
DIGITAL UNIX Features Unavailable on ULTRIX Systems . 1–1
1.1.1
OSF/1 Kernel ..................................................... 1–2
1.1.2
Real-Time Kernel ................................................ 1–2
1.1.3
Standards Compliance .......................................... 1–3
1.1.4
Shared Libraries ................................................. 1–3
1.1.5
Per-Process Open File Descriptors ............................ 1–3
1.1.6
Logical Storage Manager ....................................... 1–4
1.1.7
Streams Kernel Mechanism .................................... 1–4
1.1.8
Memory-Mapped Files .......................................... 1–4
1.1.9
Sixty-Four Bit Data Types and Addresses ................... 1–4
1.1.10
Security Integration Architecture ............................. 1–4
1.2
Features Common to ULTRIX and DIGITAL UNIX Systems 1–5
1.2.1
User Applications, Commands, and Shells .................. 1–5
1.2.2
Development Tools ............................................... 1–6
1.2.3
File Systems ...................................................... 1–6
1.2.4
System and Network Administration Tools ................. 1–7
1.2.5
Data Interoperability ............................................ 1–8
1.2.6
Symmetric Multiprocessing .................................... 1–8
1.3
ULTRIX Features Unavailable on DIGITAL UNIX Systems . 1–9
1.4
Migrating from ULTRIX to DIGITAL UNIX Systems .......... 1–9
1.4.1
Migrating as a User ............................................. 1–9
1.4.2
Migrating Your System and Network Administration
Environment ...................................................... 1–10
1.4.3
Migrating Your Application .................................... 1–10
1.4.3.1
Migrating Source Code ..................................... 1–11
1.4.3.2
Migrating Executables ..................................... 1–11
Part 2 Migrating Your User Environment
Contents iii