diff --git a/00_Numbers.jl b/00_Numbers.jl old mode 100755 new mode 100644 diff --git a/01_Strings.jl b/01_Strings.jl old mode 100755 new mode 100644 diff --git a/02_Arrays.jl b/02_Arrays.jl old mode 100755 new mode 100644 diff --git a/03_ControlFlow.jl b/03_ControlFlow.jl old mode 100755 new mode 100644 diff --git a/04_Functions.jl b/04_Functions.jl old mode 100755 new mode 100644 diff --git a/05_Variables.jl b/05_Variables.jl old mode 100755 new mode 100644 diff --git a/06_Dictionaries.jl b/06_Dictionaries.jl old mode 100755 new mode 100644 diff --git a/07_FunctionPractice.jl b/07_FunctionPractice.jl old mode 100755 new mode 100644 diff --git a/08_Types.jl b/08_Types.jl old mode 100755 new mode 100644 diff --git a/09_TypeHierarchiesMultipleDispatch.jl b/09_TypeHierarchiesMultipleDispatch.jl old mode 100755 new mode 100644 diff --git a/10_ConversionPromotion.jl b/10_ConversionPromotion.jl old mode 100755 new mode 100644 diff --git a/11_DefiningTypes.jl b/11_DefiningTypes.jl old mode 100755 new mode 100644 diff --git a/11_points.jl b/11_points.jl old mode 100755 new mode 100644 diff --git a/11_shapes.jl b/11_shapes.jl old mode 100755 new mode 100644 diff --git a/12_InputOutput.jl b/12_InputOutput.jl old mode 100755 new mode 100644 diff --git a/13_Networking.jl b/13_Networking.jl old mode 100755 new mode 100644 diff --git a/13_connection2server.jl b/13_connection2server.jl old mode 100755 new mode 100644 diff --git a/13_server.jl b/13_server.jl old mode 100755 new mode 100644 diff --git a/14_Files.jl b/14_Files.jl old mode 100755 new mode 100644 diff --git a/15_ModulesAndPackages.jl b/15_ModulesAndPackages.jl old mode 100755 new mode 100644 diff --git a/16_Package.jl b/16_Package.jl old mode 100755 new mode 100644 diff --git a/17_ReadinWritingPkgs.jl b/17_ReadinWritingPkgs.jl old mode 100755 new mode 100644 diff --git a/18_Interfaces.jl b/18_Interfaces.jl old mode 100755 new mode 100644 diff --git a/README.md b/README.md old mode 100755 new mode 100644 diff --git a/Volume.jl b/Volume.jl old mode 100755 new mode 100644 diff --git a/alpha.txt b/alpha.txt old mode 100755 new mode 100644 diff --git a/elements.csv b/elements.csv old mode 100755 new mode 100644 diff --git a/elements.txt b/elements.txt old mode 100755 new mode 100644 diff --git a/foobar.txt b/foobar.txt old mode 100755 new mode 100644 diff --git a/numbers.txt b/numbers.txt old mode 100755 new mode 100644 diff --git a/runtests.jl b/runtests.jl old mode 100755 new mode 100644 diff --git a/test.jl b/test.jl old mode 100755 new mode 100644 diff --git a/text.txt b/text.txt old mode 100755 new mode 100644