diff --git a/.gitattributes b/.gitattributes
index e619efb..c676778 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,7 @@
 # git-encoding=iso8859-1 zos-working-tree-encoding=ibm-1047
 *       git-encoding=iso8859-1 zos-working-tree-encoding=iso8859-1
+# COBOL files can only be executed when encoded in IBM EBCDIC format, IBM-1047
+*.cbl zos-working-tree-encoding=IBM-1047
 
 .gitattributes   git-encoding=iso8859-1 zos-working-tree-encoding=iso8859-1
 .gitignore       git-encoding=iso8859-1 zos-working-tree-encoding=iso8859-1
diff --git a/pyzkiln_core/cobol/1.64cobol_to_64python/run.sh b/pyzkiln_core/cobol/1.64cobol_to_64python/run.sh
old mode 100644
new mode 100755
diff --git a/pyzkiln_core/cobol/2.64python_to_64cobol/run.sh b/pyzkiln_core/cobol/2.64python_to_64cobol/run.sh
old mode 100644
new mode 100755
diff --git a/pyzkiln_core/cobol/3.64python_to_31cobol/run.sh b/pyzkiln_core/cobol/3.64python_to_31cobol/run.sh
old mode 100644
new mode 100755
diff --git a/pyzkiln_core/cobol/4.31cobol_to_64python/rem_dataset.sh b/pyzkiln_core/cobol/4.31cobol_to_64python/rem_dataset.sh
old mode 100644
new mode 100755
diff --git a/pyzkiln_core/cobol/4.31cobol_to_64python/run.sh b/pyzkiln_core/cobol/4.31cobol_to_64python/run.sh
old mode 100644
new mode 100755
diff --git a/pyzkiln_core/cobol/4.31cobol_to_64python/sharedlib.cbl b/pyzkiln_core/cobol/4.31cobol_to_64python/sharedlib.cbl
index a50edd6..d0fabf3 100644
--- a/pyzkiln_core/cobol/4.31cobol_to_64python/sharedlib.cbl
+++ b/pyzkiln_core/cobol/4.31cobol_to_64python/sharedlib.cbl
@@ -17,4 +17,3 @@
            END-CALL
            CALL "Py_Finalize"
            STOP RUN.
-