Owner's manual

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Contents

About This Document...................................................................................11

Supported Release Version Updates (RVUs)................................................................................11

Intended Audience..................................................................................................................11

Unsupported Utilities...............................................................................................................11

Acknowledgment....................................................................................................................12

New and Changed Information in the 522700-005 Edition..........................................................12

New and Changed Information in the 522700-004 Edition..........................................................12

New and Changed Information in the 522700-003 Edition..........................................................13

New and Changed Information in the 522700–002 Edition.........................................................13

Document Organization..........................................................................................................13

Notation Conventions..............................................................................................................14

General Syntax Notation....................................................................................................14

Notation for Messages.......................................................................................................16

Related Information.................................................................................................................17

Publishing History...................................................................................................................19

HP Encourages Your Comments................................................................................................19

1 Introduction to Open System Services..........................................................21

OSS Components...................................................................................................................21

OSS File System.................................................................................................................21

OSS Command Interpreter (Korn Shell).................................................................................21

User Commands and Utilities...............................................................................................21

Access to HP Software .......................................................................................................22

OSS Reference Pages.........................................................................................................22

OSS and UNIX.......................................................................................................................22

OSS and the NonStop Operating System...................................................................................22

Alternative to Guardian Interface.........................................................................................23

Interoperability..................................................................................................................23

Application Development....................................................................................................23

OSS Environment....................................................................................................................24

OSS Device Support...............................................................................................................24

Printers.............................................................................................................................24

Tape Drives.......................................................................................................................24

OSS Processes ......................................................................................................................24

OSS and Open Computing Standards.......................................................................................24

XPG4 ..............................................................................................................................24

POSIX.1............................................................................................................................25

FIPS.................................................................................................................................25

POSIX.2...........................................................................................................................25

2 The OSS File System.................................................................................26

OSS Files and Filenames.........................................................................................................26

OSS Filename Length.........................................................................................................26

OSS File Types..................................................................................................................26

OSS Directories and Subdirectories...........................................................................................27

The OSS File-System Structure..............................................................................................27

The /G Directory...............................................................................................................28

The /E Directory................................................................................................................28

OSS Pathnames......................................................................................................................28

Absolute Pathnames...........................................................................................................28

Relative Pathnames.............................................................................................................29

Pathname Length................................................................................................................29

Contents 3