kctune: It is the
administrative command for HP-UX kernel to view or change kernel parameters.
The following information provides how to view or modify the kernel parameters.
 Viewing Kernel Parameters:
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$usr/sbin/kctune 
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Modifying
Kernel Parameters:
/usr/sbin/kctune <parameter name and it’s value>
Sample Output: 
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mydb:/ #/usr/sbin/kctune hires_timeout_enable=1 
     ==> Update the automatic 'backup' configuration first? yes 
       * The automatic 'backup' configuration has been updated. 
       * Future operations will update the backup without prompting. 
        * The requested changes have been applied to the currently 
         running configuration. 
Tunable                        
  Value  Expression  Changes 
hires_timeout_enable 
  (before)     0  
  Default     Immed 
                       (now)       1   1 
mydb:/ # 
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Viewing Specific Kernel Parameter:
/usr/sbin/kctune
<parameter name >
Use the bellow command if you have
HP_UX B.11.31 
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mydb:/ #/usr/sbin/kctune hires_timeout_enable 
Tunable              
  Value  Expression  Changes 
hires_timeout_enable     
  1  1           Immed 
mydb:/ # 
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Use the bellow command if you have
HP_UX B.11.23
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sun2:/home/oracle #sysdef | grep kctune hires_timeout_enable 
maxuprc                   
  3686         
  -          3-                  
  - 
sun2:/home/oracle # 
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