COLD and WARM start option

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   .-COLD-.   
>>-+------+----------------------------------------------------><
   '-WARM-'   

Defines the status to which the VTAM® configuration restart facility restores each major node identified by the CONFIG start option when VTAM was last executing.
COLD
Instructs VTAM to restore each major node to its initial status as defined by the user. VTAM issues the equivalent of:
 
VARY NET,ACT,ID=major_node_name,SCOPE=U 
for each major node identified by the CONFIG start option.
WARM
Instructs VTAM to restore the major node to its status prior to VTAM's last termination. VTAM issues the equivalent of:
 
VARY NET,ACT,ID=major_node_name,WARM 
for each major node identified by the CONFIG start option.