$builtins  –  State of Builtin Commands

$builtins contains the state of builtin commands. An associated value of defined means that the command was already loaded. undefined means, that the command will be loaded from a module when it’s invoked for the first time.

Links

• The Z Shell Manual

Examples

Display state of all Zsh builtin commands

1	declare builtins

Output:

1 2	# first two items of the output builtins=( [unset]=defined [rehash]=defined )