sudo: remove ambiguity in example (#2585)

kalebo · owenvoke · commit 58633331063b · 2018-11-13T15:45:28.000Z
diff --git a/pages/common/sudo.md b/pages/common/sudo.md
@@ -12,7 +12,7 @@
 
 - Run a command as another user and/or group:
 
-`sudo -u {{user}} -g {{group}} {{id}}`
+`sudo -u {{user}} -g {{group}} {{id -a}}`
 
 - Repeat the last command prefixed with "sudo" (only in bash, zsh, etc.):
 
