diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allclean b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allclean
index a915451689..1e0782b52e 100755
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allclean
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allclean
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun
index c01a61be81..9ea055aad4 100755
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun-parallel b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun-parallel
index 6c26ff7801..9e634de80f 100755
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun-parallel
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun-parallel
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun.pre b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun.pre
index 99db2af1b6..083eaf1000 100755
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun.pre
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun.pre
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 
diff --git a/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun b/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
index 9377ab7822..a3f07091ff 100755
--- a/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
+++ b/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 cd ${0%/*} || exit 1    # run from this directory
 
 # Source tutorial run functions
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles
index f9218e997d..812b1c232a 100755
--- a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #--------------------------------*- C++ -*------------------------------------#
 # =========                 |                                                 #
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           #
diff --git a/tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh b/tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh
index bfd683f8f0..bbf2f3ddf7 100755
--- a/tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh
+++ b/tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 
diff --git a/tutorials/multiphase/interFoam/ras/weirOverflow/Allrun b/tutorials/multiphase/interFoam/ras/weirOverflow/Allrun
index 858f388243..95936e3073 100755
--- a/tutorials/multiphase/interFoam/ras/weirOverflow/Allrun
+++ b/tutorials/multiphase/interFoam/ras/weirOverflow/Allrun
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Source tutorial run functions
 . $WM_PROJECT_DIR/bin/tools/RunFunctions