Changed pkill option for compatibility with older shell
Changed pkill option for compatibility with older shell

MSFTOSSMgmt/WPSDSCLinux,MSFTOSSMgmt/WPSDSCLinux,MSFTOSSMgmt/WPSDSCLinux,MSFTOSSMgmt/WPSDSCLinux,MSFTOSSMgmt/WPSDSCLinux,MSFTOSSMgmt/WPSDSCLinux