gc

(gc)

This function runs a GarbageCollection to release unused (and no-longer-used) Lisp objects, to increase available memory.

Arguments	none
Return	always NIL
Example
Remarks	calling (gc) should be necessary very rarely; please note, that global Lisp objects are never automatically released by the GarbageCollection - you will need to set global Lisp variables to NIL, if they hold large unused/no-longer-used data and you want to release these data