diff --git a/anselm.csv b/anselm.csv
index e5d3177adbf14b847af98487eaf53826bfec0676..f906c6156acc820eb780da584824903f62a4817a 100644
--- a/anselm.csv
+++ b/anselm.csv
@@ -615,6 +615,16 @@ ngsPipeline/1.0.0,1
 picard/1.117,1
 samtools/0.1.19,1
 snpEff/3.6,1
+CentOS/6.9-shell,1
+CentOS/6.9,1
+CentOS/7.3.1611-shell,1
+CentOS/7.3.1611,1
+Debian/8.0-shell,1
+Debian/8.0,1
+Fedora/26-shell,1
+Fedora/26,1
+Ubuntu/16.04-shell,1
+Ubuntu/16.04,1
 Advisor/2017_update3,1
 Cube/4.3.4,1
 OPARI2/2.0,1
diff --git a/anselm.md b/anselm.md
index 4153ef6d9ee43dae3363b305d3f23e8eca4ca4da..d154763d5c32978049a55057eeadc0c45d26a325 100644
--- a/anselm.md
+++ b/anselm.md
@@ -1,5 +1,14 @@
 # Available Modules
 
+## Os
+
+| Module | Description |
+| ------ | ----------- |
+| CentOS |   |
+| Debian |   |
+| Fedora |   |
+| Ubuntu |   |
+
 ## Bio
 
 | Module | Description |