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Product Standard

NAME

Commands and Utilities V3

LABEL FOR LOGO

No label.

DESCRIPTION

This Product Standard provides a command interface to a range of system utilities. It includes conformance to ISO/IEC 9945-2:1993 (POSIX-2).¹

It is an enhanced version of Commands and Utilities V2.

The principal enhancements are:

• Commands have been added to support the Large File Support extensions included in the Internationalized System Calls and Libraries Extended V2 Product Standard.

• Some commands have been updated to cater for the addition of Threads to the Internationalized System Calls and Libraries Extended V2 Product Standard.

• A few new general commands have been included.

• Some commands have been updated to cater for the addition of the optional Realtime Feature Group to the Internationalized System Calls and Libraries Extended V2 Product Standard.

CONFORMANCE REQUIREMENTS

Human-Computer Interface

Commands and Utilities, Issue 5² and System Interface Definitions, Issue 5,³ Section 4.1, Portable Character Set, Table 4-1, glyphs.

Portability Interface

Commands and Utilities, Issue 5 and System Interface Definitions, Issue 5.

Programming Language Environment

Command Language as defined in Commands and Utilities, Issue 5 and System Interface Definitions, Issue 5.

Interoperability

• Data Interchange Formats

  Commands and Utilities, Issue 5, cpio and extended tar archive file formats, pax utility.

• Communications Interfaces and Protocols

  None.

OPERATIONAL ENVIRONMENT

Not applicable.

PORTABILITY ENVIRONMENT

Internationalized System Calls and Libraries Extended V2.

OVERRIDING STANDARDS

ISO/IEC 9945-2:1993 (POSIX-2).

INDICATORS OF COMPLIANCE

A Test Report from a currently authorized release of the VSC5 Test Suite.

MIGRATION

There are no incompatibility issues in migrating from a system registered as conformant to the Commands and Utilities V2 Product Standard.

Any comments relating to the material contained in this document may be submitted to The Open Group at:

The Open Group
Apex Plaza
Forbury Road
Reading
Berkshire, RG1 1AX
United Kingdom

OGSpecs@opengroup.org

Footnotes

1.

ISO/IEC 9945-2:1993, Information Technology - Portable Operating System Interface (POSIX) - Part 2: Shell and Utilities, User Portability Extension (identical to IEEE Std 1003.2-1992).

2.

CAE Specification, January 1997, Commands and Utilities, Issue 5 (ISBN: 1-85912-191-8, C604).

3.

CAE Specification, January 1997, System Interface Definitions, Issue 5 (ISBN: 1-85912-186-1, C605).