diff --git a/tech/unix.wiki b/tech/unix.wiki
index e7ab764..b584c4a 100644
--- a/tech/unix.wiki
+++ b/tech/unix.wiki
@@ -30,10 +30,17 @@ The bell labs proposal for the best OS design ever
  - [[kernel#Updating the kernel]] - Steps to update the kernel
 * [[cross_toolchain|Cross toolchain]] - Setting up a cross compiling toolchain
 
-
 == Cool stuff ==
 
 * [[wireless_usb]]
 * [[bluetooth]]
 
+== Common Operations ==
+
+=== Scan for wifi ===
+
+`sudo iw dev wlan0 scan | grep SSID`
+
+Substituite `wlan0` for any interface
+
 [[index]]