diff --git a/bacnet-stack/bin/object-type.sh b/bacnet-stack/bin/object-type.sh
new file mode 100755
index 00000000..888c1f19
--- /dev/null
+++ b/bacnet-stack/bin/object-type.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+export BACNET_APDU_RETRIES=0
+export BACNET_APDU_TIMEOUT=0
+
+for object_type in {0..127}
+do
+   ./bin/bacucov 1 2 ${object_type} 4 5 85 0 0
+done
diff --git a/bacnet-stack/bin/property_id.sh b/bacnet-stack/bin/property_id.sh
new file mode 100755
index 00000000..88955289
--- /dev/null
+++ b/bacnet-stack/bin/property_id.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+export BACNET_APDU_RETRIES=0
+export BACNET_APDU_TIMEOUT=0
+
+for property_id in {0..512}
+do
+   ./bin/bacrp --dnet 65535 0 8 0 ${property_id}
+done
diff --git a/bacnet-stack/bin/reliability.sh b/bacnet-stack/bin/reliability.sh
new file mode 100755
index 00000000..50e67d03
--- /dev/null
+++ b/bacnet-stack/bin/reliability.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+export BACNET_APDU_RETRIES=0
+export BACNET_APDU_TIMEOUT=0
+
+for reliability in {0..63}
+do
+   ./bin/bacucov 1 2 3 4 5 103 9 ${reliability}
+done
diff --git a/bacnet-stack/bin/units.sh b/bacnet-stack/bin/units.sh
new file mode 100755
index 00000000..504f6063
--- /dev/null
+++ b/bacnet-stack/bin/units.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+export BACNET_APDU_RETRIES=0
+export BACNET_APDU_TIMEOUT=0
+
+for units in {0..255}
+do
+   ./bin/bacucov 1 2 3 4 5 117 9 ${units}
+done
diff --git a/bacnet-stack/bin/vendor-id.sh b/bacnet-stack/bin/vendor-id.sh
index f3047b1b..d2b4d229 100755
--- a/bacnet-stack/bin/vendor-id.sh
+++ b/bacnet-stack/bin/vendor-id.sh
@@ -2,4 +2,4 @@
 for vendor_id in {0..999}
 do
    ./bin/baciam 4194303 ${vendor_id}
-done
\ No newline at end of file
+done
diff --git a/bacnet-stack/demo/ucov/main.c b/bacnet-stack/demo/ucov/main.c
index d6660a90..e3469a53 100644
--- a/bacnet-stack/demo/ucov/main.c
+++ b/bacnet-stack/demo/ucov/main.c
@@ -170,7 +170,7 @@ int main(
         return 1;
     }
     if (cov_data.listOfValues->propertyIdentifier > MAX_BACNET_PROPERTY_ID) {
-        fprintf(stderr, "object-type=%u - it must be less than %u\r\n",
+        fprintf(stderr, "property-identifier=%u - it must be less than %u\r\n",
             cov_data.listOfValues->propertyIdentifier,
             MAX_BACNET_PROPERTY_ID + 1);
         return 1;