-C = ctrl_interface parameter (only used if -c is not)
-i = interface name
-d = increase debugging verbosity (-dd even more)
- -D = driver name
+ -D = driver name (can be multiple drivers: nl80211,wext)
-f = Log output to default log location (normally /tmp)
-g = global ctrl_interface
-K = include keys (passwords, etc.) in debug output
wpa_supplicant -c/etc/wpa_supplicant.conf -iwlan0 -d
+If the specific driver wrapper is not known beforehand, it is possible
+to specify multiple comma separated driver wrappers on the command
+line. wpa_supplicant will use the first driver wrapper that is able to
+initialize the interface.
+
+wpa_supplicant -Dnl80211,wext -c/etc/wpa_supplicant.conf -iwlan0
+
wpa_supplicant can control multiple interfaces (radios) either by
running one process for each interface separately or by running just