diff --git a/README.md b/README.md
index 570f104..ba80e6c 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 - [Basics](#basics)
 - [Everyday use](#everyday-use)
-- [Data processing](#data-processing)
+- [Processing files and data](#processing-files-and-data)
 - [System debugging](#system-debugging)
 - [One-liners](#one-liners)
 - [Obscure but useful](#obscure-but-useful)
@@ -116,7 +116,11 @@ Scope:
 ```
 
 
-## Data processing
+## Processing files and data
+
+- To locate a file by name in the current directory, `find -iname *something* .` (or similar). To find a file anywhere by name, use `locate something` (but bear in mind `updatedb` my not have indexed recently created files).
+
+- For general searching through source or data files (more advanced than `grep -r`), use [`ag`](https://github.com/ggreer/the_silver_searcher).
 
 - To convert HTML to text: `lynx -dump -stdin`