[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'System' (#rtl)

Reference for unit 'System'

The system unit

Overview

The system unit contains the standard supported functions of Free Pascal. It is the same for all platforms. Basically it is the same as the system unit provided with Borland or Turbo Pascal.

Functions are listed in alphabetical order. Arguments of functions or procedures that are optional are put between square brackets.

The pre-defined constants and variables are listed in the first section. The second section contains an overview of all functions, grouped by functionality, and the last section contains the supported functions and procedures.

Related topics

MiscellaneousFunctions

  

Miscellaneous functions

OSfunctions

  

Operating System functions

StringFunctions

  

String handling

MathematicalFunctions

  

Mathematical routines

MemoryFunctions

  

Memory management functions

FileFunctions

  

File handling functions

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