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Adventurers' Help: unset

Command: unset - unsets personal environment variables

Description:
	'unset' removes an environment variable and its value from your
	list of personal environment variables (see 'help set'). Or it
	sets the value of a env-variable to a "none" value or to "0".
	
	It does the same as 'set -<variable>'.

Syntax:
	unset <variable>

Examples:
	unset wimpy

See also:
set