psradm

NAME
     psradm - set processors on-line or off-line

SYNOPSIS
     psradm -f | -n [ -v ] processor_id ...

     psradm -a -f | -n [ -v ]

DESCRIPTION
     psradm sets processors on-line  or  off-line.   An  off-line
     processor  does  little  or  no  work.  The actual effect of
     being off-line may vary from machine to machine.