diff --git a/bash/get_num_of_groups_for_all_users_in_group.sh b/bash/get_num_of_groups_for_all_users_in_group.sh
new file mode 100644
index 0000000..1ee66c1
--- /dev/null
+++ b/bash/get_num_of_groups_for_all_users_in_group.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+GROUP="proj_mastcamz_mf"; echo "num groups for"; for i in $(getent group $GROUP | cut -d ":" -f 4 | sed 's/,/ /g'); do echo -n "$i: "; id $i | sed 's/,/\n/g' | wc -l; done
+# output:
+# num groups for
+# user1: 26
+# user2: 30