diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd9a77f..ecee56c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -142,6 +142,18 @@
 ## Version 1.1.5
 * first public version with the overlay feature
 
+## Version 1.0.0rc11
+* **modulecmd**
+  * *User visible changes*
+    * handling of set-alias in modulefile fixed
+  * *Internal changes and fixes*
+    * none
+* **build-system**
+  * *User visible changes*
+    * none
+  * *Internal changes and fixes*
+    * none
+
 ## Version 1.0.0rc10
 * **modulecmd**
   * *User visible changes*
diff --git a/Pmodules/libstd.bash b/Pmodules/libstd.bash
index eb3b6ba..0b5121a 100644
--- a/Pmodules/libstd.bash
+++ b/Pmodules/libstd.bash
@@ -302,11 +302,11 @@ std.get_os_release_linux() {
                 std::die 4 "Cannot determin OS release!\n"
         fi
 
-	case "${ID}" in
-		RedHatEnterpriseServer | RedHatEnterprise | Scientific | rhel | centos | CentOS | fedora )
+	case "${ID,,}" in
+		redhatenterpriseserver | redhatenterprise | scientific | springdale | rhel | centos | fedora )
 			echo "rhel${VERSION_ID%%.*}"
 			;;
-		Ubuntu )
+		ubuntu )
 			echo "Ubuntu${VERSION_ID%.*}"
 			;;
 		* )
diff --git a/Pmodules/modulecmd.bash.in b/Pmodules/modulecmd.bash.in
index 16bbdae..b35fa96 100644
--- a/Pmodules/modulecmd.bash.in
+++ b/Pmodules/modulecmd.bash.in
@@ -1959,7 +1959,7 @@ subcommand_purge() {
 		# re-run with right shell
                 "${modulecmd}" "${Shell}" 'purge'
         fi
-	eval "${output}"
+	eval "$(echo "${output}"|sed -e 's/;unalias [^;]*//g')"
 	if [[ -n "${error}" ]]; then
                 echo "${error}" 1>&2
 	fi
diff --git a/config/versions.conf b/config/versions.conf
new file mode 100644
index 0000000..5ffc722
--- /dev/null
+++ b/config/versions.conf
@@ -0,0 +1,9 @@
+bash		5.1
+coreutils	8.31
+findutils	4.7.0
+getopt		1.1.6
+gettext		0.21
+modules		3.2.10.1
+Pmodules	1.0.0rc12
+Tcl		8.6.10
+tcllib		1.20