Add note about use of chown to change both user and group

RetroPie · Sep 19, 2022 · 7a6fe67 · 7a6fe67
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diff --git a/docs/Shell-Style-Guide.md b/docs/Shell-Style-Guide.md
@@ -94,6 +94,11 @@ if [[ "${my_var}" ]]; then
 fi
 ```
 
+### Changing user and group ownership of files
+
+Use `chown $user: [PATH]` instead of `chown $user:$user [PATH]` - the empty group parameter will cause chown to use the users login group. This resolves issues on systems where the user doesn't have their own group (eg. where all users are in a `users` group).
+
+
 ## Naming Conventions
 
 ### Function Names