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1. Create the $IOC_DATA directory for your cpu and iocs  as follows:
1. cd $IOC_DAT
2.  Create the $EPICS_IOCS cpu and ioc boot directories
   1. cd $EPICS_IOCS
   2. mkdir cpu-<area>-<subsystem-prefix><2-digit#>  
   3. mkdir  sioc-<area>-<subsystem-prefix><2-digit#>
3. Setup cpu directory files
   1. cd cpu-<area>-<subsystem-prefix><2-digit#>
   2. Setup relative symbolic links to the common startup script and EPICS version:.
      1. ln -s ../common/st.cmd.linuxRT.cpu    startup.cmd
      2. ln -s ../common/bin/<epics base version>     epicsSpecificRelease
   3. Generate the file kernel-module.cmd. This file load kernels modules and drivers: kernel-modules.cmd
      1. for examples click  here.
4. Setup ioc directory files
   1. cd sioc-<area>-<subsystem-prefix><2-digit#>
   1. copy our ioc startup.cmd script fro  $EPICS_IOCS/template
      1.  for linuxRT running iocsh:    cp ../template/startup.cmd.linuxRT    startup.cmd
      2. for  linuxRT running cexp:    cp ../template/startup.cmd.linuxRT.cexp  startup.cmd
   2. edit startup.cmd
   1. 1.  replace <ioc> <ioc>  with your ioc name . and for cexp replace <facility>
      2.  change path of the EPICS_IOC_APP in your st,cmd file is in a non-standard location.
   1. cp ../template/screenrc   screenrcscreeenrc
   2. edit screenrc and replace <ioc> with your ioc name.
   3. Setup a relative symbolic link to the TOP of the IOC Application release.
1. ln -s ../../iocTop/<app>/<version> iocSpecificRelease
5. Modify $EPICS_IOCS/screeniocs   
   1. add line for cpu
      format:  cpu-<area>-<subsystem-prefix><2-digit #>      <ts>   <ts port #t>   <screen  host>   [ # comment]
   2. add line for each ioc
      format:  sioc-<area>-<subsystem prefix><2-digit #>  cpu-<area>-<subsystem-prefix><2-digit #>    <account>   [ # comment]
   3. The "comment" field in screeeniocsis optional and must be precede but  "#".

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