DESCRIPTION
    This operation helps to clean up inactive patches stored 
    under ORACLE_HOME/inventory & ORACLE_HOME/.patch_storage
    
    By default OPatch util deleteinactivepatches retains only 
    1 latest inactive patch(RU\CPU\BP)
    Note: If user needs to retain more than 1 inactive patch, 
    then update the value of RETAIN_INACTIVE_PATCHES in 
    ORACLE_HOME/OPatch/config/opatch.properties 
    
SYNTAX
opatch util deleteinactivepatches [-report] [-silent] [-oh] 
                
OPTIONS

[-report]
      Prints the list of inactive patches without performing any delete actions from ORACLE_HOME

[-silent]
      This suppresses any user-interaction.

[-oh] 
      The oracle home to work on. This takes precedence over the environment variable ORACLE_HOME.
       
Example:
 
To delete all inactive patches and retain only 1 latest inactive patch based on user confrimation
	opatch util deleteinactivepatches
	
To delete all inactive patches and retain only 1 latest inactive patch without user confirmation 
	opatch util deleteinactivepatches -silent
	
To delete all inactive patches and retain 2 latest inactive patches in ORACLE_HOME 
    update RETAIN_INACTIVE_PATCHES=2 in ORACLE_HOME/OPatch/config/opatch.properties
    opatch util deleteinactivepatches
