System command

System commands provide services or information associated with the workspace and the environment. They are not part of the APL language itself.

APL system commands start with a right parenthesis, e.g.,,.

ISO/IEC 13751:2001
ISO/IEC 13751:2001 standard defined the following system commands:

Dyalog APL
Dyalog APL supports the following system commands:

Tutorials

 * Bernard Legrand. Mastering Dyalog APL (page 805). Dyalog Ltd. November 2009.

Documentation

 * Dyalog APL: System Commands – Introduction
 * APLX: Introduction, List of system commands