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IBM : developerWorks : Linux : Education - Tutorials
LPI certification 101 exam prep, Part 3
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Tuning the user environment
 1. Introducing "fortune"
 2. .bash_profile
 3. The login shell
 4. Understanding --login
 5. Testing for interactivity
 6. /etc/profile and /etc/skel
 7. export
 8. Marking variables for export
 9. Export and set -x
 10. Setting variables with "set"
 11. Unset vs. FOO=
 12. Exporting to change command behavior
 13. Using "env"
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