diff --git a/detectors/cds/bin/do_exonerate.sh b/detectors/cds/bin/do_exonerate.sh
index 4985767..bb4d810 100755
--- a/detectors/cds/bin/do_exonerate.sh
+++ b/detectors/cds/bin/do_exonerate.sh
@@ -1,4 +1,4 @@
-#!/bin/csh -f
+#!/bin/env tcsh -f
 #
 #                           Annotate CDS - Exonerate
 #
diff --git a/detectors/cds/bin/do_filterbx.sh b/detectors/cds/bin/do_filterbx.sh
index ea51b63..c2a283a 100755
--- a/detectors/cds/bin/do_filterbx.sh
+++ b/detectors/cds/bin/do_filterbx.sh
@@ -1,4 +1,4 @@
-#!/bin/csh -f
+#!/bin/env tcsh -f
 #
 # filter a DB thru BlastX
 # usually to speedup further DB search 
diff --git a/detectors/cds/bin/go_cds.sh b/detectors/cds/bin/go_cds.sh
index 487d458..67dda2b 100755
--- a/detectors/cds/bin/go_cds.sh
+++ b/detectors/cds/bin/go_cds.sh
@@ -1,4 +1,4 @@
-#!/bin/csh -f
+#!/bin/env tcsh -f
 #
 #                           Annotate CDS 
 #
diff --git a/detectors/cds/test/go_test.sh b/detectors/cds/test/go_test.sh
index fad2596..a1e4742 100755
--- a/detectors/cds/test/go_test.sh
+++ b/detectors/cds/test/go_test.sh
@@ -1,4 +1,4 @@
-#!/bin/csh -f
+#!/bin/env tcsh -f
 
 setenv Verbose 0
 
diff --git a/src/Makefile b/src/Makefile
index 9bb5afb..de5b6fb 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -31,7 +31,8 @@ DIRS = aragorn   \
        sumatra   \
        gawk      \
        getopt    \
-       cd-hit
+       cd-hit	 \
+       tcsh
 
 include ../config/targets/propagate.targ
 
diff --git a/src/tcsh/Makefile b/src/tcsh/Makefile
new file mode 100644
index 0000000..86b7ddf
--- /dev/null
+++ b/src/tcsh/Makefile
@@ -0,0 +1,25 @@
+# ---------------------------------------------------------------
+# $Id: $
+# ---------------------------------------------------------------
+# @file: Makefile
+# @desc: makefile for package exonerate
+#
+# @history:
+# @+	    <Gloup> : Sept 15 : Adapted to ORG.Annot
+#
+# @note: should be processed with gnu compatible make
+# @note: helixware_compatible
+#
+# @end:
+# ---------------------------------------------------------------
+#
+
+include ../../config/auto.conf
+
+PKG = tcsh-6.19.00
+
+MAKEOPTIONS= openmp=no PREFIX=$(PRTPATH)/bin
+
+include $(CFGDIR)targets/package.targ
+
+include $(CFGDIR)targets/help.targ
diff --git a/src/tcsh/tcsh-6.19.00.tgz b/src/tcsh/tcsh-6.19.00.tgz
new file mode 100644
index 0000000..63907e2
Binary files /dev/null and b/src/tcsh/tcsh-6.19.00.tgz differ