diff --git a/osx/ls.md b/osx/ls.md
index d6a5d9348..adbb198a9 100644
--- a/osx/ls.md
+++ b/osx/ls.md
@@ -13,3 +13,14 @@
 - List all files with their rights, groups, owner
 
 `ls -ls`
+
+- List all files with a prefix/suffix
+
+`ls {prefix*}` or `ls {*suffix}`
+
+- Sort files by time
+
+`-t` for last modified 
+`-U` for date of creation
+`-r` reverses the list
+`ls -tr`