diff --git a/base/programs.nix b/base/programs.nix
index c85460f..ea22195 100644
--- a/base/programs.nix
+++ b/base/programs.nix
@@ -19,6 +19,9 @@
     # Check computer specs
     lshw
 
+    # Check who is keeping open files
+    lsof
+
     # Scan for open ports with netstat
     net-tools