diff --git a/linux.md b/linux.md
index 686b942..96ad9d5 100755
--- a/linux.md
+++ b/linux.md
@@ -10,11 +10,11 @@ tags: [ linux ]
 ## add user to group
 
 ```bash
-# usermod -a -G group user
+usermod -a -G group user
 ```
 
 ## change primary user group
 
 ```bash
-# usermod -g group user
+usermod -g group user
 ```