Memory Management Functions Reference (AutoLISP)

The following table provides summary descriptions of the AutoLISP memory management functions.

Memory management functions		Platforms
		Windows		Mac OS		Web
Function	Description	AutoCAD	AutoCAD LT	AutoCAD	AutoCAD LT	AutoCAD
(alloc int)	Sets the segment size to a given number of nodes	✓	✓	✓	--	✓
(expand number)	Allocates node space by requesting a specified number of segments	✓	✓	✓	--	✓
(gc)	Forces a garbage collection, which frees up unused memory	✓	✓	✓	--	✓
(mem)	Displays the current state of memory in AutoLISP	✓	✓	✓	--	✓