Appendix A. Acronyms
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## Appendix A. Acronyms

Table A-1 provides a list of the acronyms used in the Performance Co-Pilot (PCP) documentation, help cards, man pages, and user interface.

Table A-1. Performance Co-Pilot Acronyms and Their Meanings

Acronym | Meaning
--- | ---
API | Application Programming Interface
DBMS | Database Management System
DNS | Domain Name Service
DSO | Dynamic Shared Object
I/O | Input/Output
IPC | Interprocess Communication
PCP | Performance Co-Pilot
PDU | Protocol data unit
PMAPI | Performance Metrics Application Programming Interface
PMCD | Performance Metrics Collection Daemon
PMCS | Performance Metrics Collection Subsystem
PMD | Performance Metrics Domain
PMDA | Performance Metrics Domain Agent
PMID | Performance Metric Identifier
PMNS | Performance Metrics Name Space
TCP/IP | Transmission Control Protocol/Internet Protocol

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