diff --git a/sge/show-disabled-nodes.sh b/sge/show-disabled-nodes.sh
new file mode 100755
index 0000000..1c7a95d
--- /dev/null
+++ b/sge/show-disabled-nodes.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+./show-node-summary.sh |  grep -v -e '^ed-' -e '^timed-' -e '^queuename' | awk '$6 != "" {print}'
diff --git a/sge/show-disabled-nodes2.awk b/sge/show-disabled-nodes2.awk
new file mode 100755
index 0000000..d1b4e6d
--- /dev/null
+++ b/sge/show-disabled-nodes2.awk
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+{
+  if [ "$1" = "" ]; then
+    qstat -f
+  else
+    cat "$1"
+  fi
+} \
+  | awk '
+
+/^queuename/ { next }
+/^ed-/ || /^timed-/ { next }
+
+$1 ~ /^[a-z]+@/ && $6 ~ /^[a-z]+/ {
+  print
+  getline
+  print
+}
+
+'
+
+
diff --git a/sge/show-node-summary.sh b/sge/show-node-summary.sh
new file mode 100755
index 0000000..81b743e
--- /dev/null
+++ b/sge/show-node-summary.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# ignore ed- and timed- queues.
+egrep 'BIP *[0-9]+/[0-9]+/[0-9]+' qstat-f.txt | grep -v -e 'ed-' -e 'timed-'
diff --git a/sge/show-non-full-nodes.sh b/sge/show-non-full-nodes.sh
new file mode 100755
index 0000000..b8a8548
--- /dev/null
+++ b/sge/show-non-full-nodes.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# only for main group
+./show-node-summary.sh |  grep '^main' | awk '$NF !~ /d[a-z]*/ {print}' | sort -k 3 | egrep -v '16/16 |20/20 |32/32 '