diff --git a/nuttx/configs/c5471evm/setenv.sh b/nuttx/configs/c5471evm/setenv.sh
index 38d04dfcb..4c98cc923 100755
--- a/nuttx/configs/c5471evm/setenv.sh
+++ b/nuttx/configs/c5471evm/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # c5471evm/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/m68332evb/setenv.sh b/nuttx/configs/m68332evb/setenv.sh
index ce9b289fa..a5bb0f3b3 100755
--- a/nuttx/configs/m68332evb/setenv.sh
+++ b/nuttx/configs/m68332evb/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # m68322evb/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/mcu123-lpc214x/setenv.sh b/nuttx/configs/mcu123-lpc214x/setenv.sh
index a03f31618..a6843f6dd 100755
--- a/nuttx/configs/mcu123-lpc214x/setenv.sh
+++ b/nuttx/configs/mcu123-lpc214x/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # mcu123-lpc2148/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/ntosd-dm320/setenv.sh b/nuttx/configs/ntosd-dm320/setenv.sh
index 12656cfeb..a90fdfab7 100755
--- a/nuttx/configs/ntosd-dm320/setenv.sh
+++ b/nuttx/configs/ntosd-dm320/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # ntosd-dm320/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/pjrc-8051/setenv.sh b/nuttx/configs/pjrc-8051/setenv.sh
index 4f24d1385..35f5fffed 100755
--- a/nuttx/configs/pjrc-8051/setenv.sh
+++ b/nuttx/configs/pjrc-8051/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # pjrc-8051/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/sim/nettest/setenv.sh b/nuttx/configs/sim/nettest/setenv.sh
index 773e05547..9b3df2015 100755
--- a/nuttx/configs/sim/nettest/setenv.sh
+++ b/nuttx/configs/sim/nettest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/sim/ostest/setenv.sh b/nuttx/configs/sim/ostest/setenv.sh
index 773e05547..9b3df2015 100755
--- a/nuttx/configs/sim/ostest/setenv.sh
+++ b/nuttx/configs/sim/ostest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/sim/pashello/setenv.sh b/nuttx/configs/sim/pashello/setenv.sh
index 773e05547..9b3df2015 100755
--- a/nuttx/configs/sim/pashello/setenv.sh
+++ b/nuttx/configs/sim/pashello/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/xtrs/nsh/setenv.sh b/nuttx/configs/xtrs/nsh/setenv.sh
index 5fb1d66d6..dadab845d 100755
--- a/nuttx/configs/xtrs/nsh/setenv.sh
+++ b/nuttx/configs/xtrs/nsh/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # xtrs/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/xtrs/ostest/setenv.sh b/nuttx/configs/xtrs/ostest/setenv.sh
index 0eedee334..d62ae86de 100755
--- a/nuttx/configs/xtrs/ostest/setenv.sh
+++ b/nuttx/configs/xtrs/ostest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # xtrs/setenv.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/xtrs/pashello/setenv.sh b/nuttx/configs/xtrs/pashello/setenv.sh
index 0eedee334..d62ae86de 100755
--- a/nuttx/configs/xtrs/pashello/setenv.sh
+++ b/nuttx/configs/xtrs/pashello/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # xtrs/setenv.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z16f2800100zcog/ostest/setenv.sh b/nuttx/configs/z16f2800100zcog/ostest/setenv.sh
index 9651536bd..c68caf2d4 100755
--- a/nuttx/configs/z16f2800100zcog/ostest/setenv.sh
+++ b/nuttx/configs/z16f2800100zcog/ostest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # configs/z16f2800100zcog/ostest/setenv.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z16f2800100zcog/pashello/setenv.sh b/nuttx/configs/z16f2800100zcog/pashello/setenv.sh
index 4a9bf1d3b..40846da4b 100755
--- a/nuttx/configs/z16f2800100zcog/pashello/setenv.sh
+++ b/nuttx/configs/z16f2800100zcog/pashello/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # z16f2800100zcog/setenv.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z80sim/nsh/setenv.sh b/nuttx/configs/z80sim/nsh/setenv.sh
index 52f95193b..cdb5e67d7 100755
--- a/nuttx/configs/z80sim/nsh/setenv.sh
+++ b/nuttx/configs/z80sim/nsh/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # z80sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z80sim/ostest/setenv.sh b/nuttx/configs/z80sim/ostest/setenv.sh
index 52f95193b..cdb5e67d7 100755
--- a/nuttx/configs/z80sim/ostest/setenv.sh
+++ b/nuttx/configs/z80sim/ostest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # z80sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z80sim/pashello/setenv.sh b/nuttx/configs/z80sim/pashello/setenv.sh
index 52f95193b..cdb5e67d7 100755
--- a/nuttx/configs/z80sim/pashello/setenv.sh
+++ b/nuttx/configs/z80sim/pashello/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # z80sim/setenv.sh
 #
 #   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/configs/z8encore000zco/ostest/setenv.sh b/nuttx/configs/z8encore000zco/ostest/setenv.sh
index ef031f6ad..50a1db1ab 100755
--- a/nuttx/configs/z8encore000zco/ostest/setenv.sh
+++ b/nuttx/configs/z8encore000zco/ostest/setenv.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # configs/z8encore000zco/ostest/setenv.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/examples/pashello/mkhello.sh b/nuttx/examples/pashello/mkhello.sh
index c2656344c..716a7e96d 100755
--- a/nuttx/examples/pashello/mkhello.sh
+++ b/nuttx/examples/pashello/mkhello.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 ############################################################################
 # examples/pashello/mkhello.sh
 #
diff --git a/nuttx/tools/configure.sh b/nuttx/tools/configure.sh
index 6826807a3..5843e4440 100755
--- a/nuttx/tools/configure.sh
+++ b/nuttx/tools/configure.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # configure.sh
 #
 #   Copyright (C) 2007 Gregory Nutt. All rights reserved.
diff --git a/nuttx/tools/link.sh b/nuttx/tools/link.sh
index 0b8ecfaff..7927d65c8 100755
--- a/nuttx/tools/link.sh
+++ b/nuttx/tools/link.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 ############################################################################
 # tools/link.sh
 #
diff --git a/nuttx/tools/mkdeps.sh b/nuttx/tools/mkdeps.sh
index 29c98e63e..96cfb7241 100755
--- a/nuttx/tools/mkdeps.sh
+++ b/nuttx/tools/mkdeps.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # mkdeps.sh
 #
 #   Copyright (C) 2007 Gregory Nutt. All rights reserved.
diff --git a/nuttx/tools/mkimage.sh b/nuttx/tools/mkimage.sh
index 90f4176b1..f64dfde85 100755
--- a/nuttx/tools/mkimage.sh
+++ b/nuttx/tools/mkimage.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # File: mkimage.sh
 #
diff --git a/nuttx/tools/mknulldeps.sh b/nuttx/tools/mknulldeps.sh
index 360e7cb97..6dc3e9635 100755
--- a/nuttx/tools/mknulldeps.sh
+++ b/nuttx/tools/mknulldeps.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # tools/mknulldeps.sh
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
diff --git a/nuttx/tools/unlink.sh b/nuttx/tools/unlink.sh
index ebd21d512..47079f085 100755
--- a/nuttx/tools/unlink.sh
+++ b/nuttx/tools/unlink.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 ############################################################################
 # tools/unlink.sh
 #
diff --git a/nuttx/tools/winlink.sh b/nuttx/tools/winlink.sh
index e94d26cc9..c081cee35 100755
--- a/nuttx/tools/winlink.sh
+++ b/nuttx/tools/winlink.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 ############################################################################
 # tools/winlink.sh
 #
diff --git a/nuttx/tools/zipme.sh b/nuttx/tools/zipme.sh
index 3200384cf..bb902c8a8 100755
--- a/nuttx/tools/zipme.sh
+++ b/nuttx/tools/zipme.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # zipme.sh
 #
 #   Copyright (C) 2007 Gregory Nutt. All rights reserved.