Routine Name:	cpu

Description:	Displays current cumulative cpu usage for user and system time.

Usage:		cpu

Example:	genesis >  cpu
		user time used          = 3 sec  510000 usec
		system time used        = 1 sec  180000 usec

Notes:		This routine calls the getrusage operating system command to
		display user/system usage statistics.

See also:	showstat

