设置R12.2环境变量后 
$  vi   .bash_profile 
...
.  /u01/db/VIS/EBSapps.env  


[root@szxft101db06 ~]# su - applvis
  E-Business Suite Environment Information
  ----------------------------------------
  RUN File System           : /u01/db/VIS/fs1/EBSapps/appl
  PATCH File System         : /u01/db/VIS/fs2/EBSapps/appl
  Non-Editioned File System : /u01/db/VIS/fs_ne
  DB Host: szxft101db06.huawei.com  Service/SID: VIS

  E-Business Suite Environment Setting
  ------------------------------------
  - Enter [R/r] for sourcing Run File System Environment file, or
  - Enter [P/p] for sourcing Patch File System Environment file, or 
  - Enter anything else to exit

  Please choose the environment file you wish to source [R/P]:R


  Sourcing the RUN File System ...

[applvis@szxft101db06 ~]$ echo $FILE_EDITION
run
[applvis@szxft101db06 ~]$ 


------------------------------ 
手工转化到patch file edition : 
------------------------------ 
[applvis@szxft101db06 VIS]$ .   EBSapps.env   patch 

  E-Business Suite Environment Information
  ----------------------------------------
  RUN File System           : /u01/db/VIS/fs1/EBSapps/appl
  PATCH File System         : /u01/db/VIS/fs2/EBSapps/appl
  Non-Editioned File System : /u01/db/VIS/fs_ne
  DB Host: szxft101db06.huawei.com  Service/SID: VIS

  Sourcing the PATCH File System ...

[applvis@szxft101db06 VIS]$ 
[applvis@szxft101db06 VIS]$ echo $FILE_EDITION
patch
[applvis@szxft101db06 VIS]$ 


------------------------------ 
手工转化到 run file edition : 
------------------------------ 
[applvis@szxft101db06 VIS]$  .  EBSapps.env  run 

  E-Business Suite Environment Information
  ----------------------------------------
  RUN File System           : /u01/db/VIS/fs1/EBSapps/appl
  PATCH File System         : /u01/db/VIS/fs2/EBSapps/appl
  Non-Editioned File System : /u01/db/VIS/fs_ne

  DB Host: szxft101db06.huawei.com  Service/SID: VIS

  Sourcing the RUN File System ...

[applvis@szxft101db06 VIS]$ echo  $FILE_EDITION
run
[applvis@szxft101db06 VIS]$ pwd
/u01/db/VIS
[applvis@szxft101db06 VIS]$