Oracle Enterprise Linux 6/7 for Apps Support
  1. Accessing Linux Command  Line
  2. Managing files  from the  command line
  3. Creating, viewing and  editing  texts  files
  4. Managing Linux  users  and  groups
  5. Understanding Linux Filesystems  Structure
  6. Linux Logical  Volume  Manager
  7. Filesystems Permissions and  Security
  8. Red Hat Linux  Networking fundamentals
  9. Managing Linux  processes, services   and  daemons
  10. Linux softwares  and  packages  administration
  11. Linux system  monitoring  and performance  tuning