Revert "Merge pull request #72 from code-mancers/new-linux-doc"

This reverts commit 85e81610ae5036c2ca194eb85a489c8f69d9c4b0, reversing
changes made to aedc95b5eef27fa0c008e8d3a9f8645427781e2e.
Merge pull request #73 from code-mancers/revert-linux-help-docs

Revert linux help docs