airodump-ng: unrecognized option '--version' "airodump-ng --help" for help.

 Airodump-ng 1.2 rc4 - (C) 2006-2015 Thomas d'Otreppe http://www.aircrack-ng.org usage: airodump-ng <options> <interface>[,<interface>,...] Options: --ivs : Save only captured IVs --gpsd : Use GPSd --write <prefix> : Dump file prefix -w : same as --write --beacons : Record all beacons in dump file --update <secs> : Display update delay in seconds --showack : Prints ack/cts/rts statistics -h : Hides known stations for --showack -f <msecs> : Time in ms between hopping channels --berlin <secs> : Time before removing the AP/client from the screen when no more packets are received (Default: 120 seconds) -r <file> : Read packets from that file -x <msecs> : Active Scanning Simulation --manufacturer : Display manufacturer from IEEE OUI list --uptime : Display AP Uptime from Beacon Timestamp --wps : Display WPS information (if any) --output-format <formats> : Output format. Possible values: pcap, ivs, csv, gps, kismet, netxml --ignore-negative-one : Removes the message that says fixed channel <interface>: -1 --write-interval <seconds> : Output file(s) write interval in seconds Filter options: --encrypt <suite> : Filter APs by cipher suite --netmask <netmask> : Filter APs by mask --bssid <bssid> : Filter APs by BSSID --essid <essid> : Filter APs by ESSID --essid-regex <regex> : Filter APs by ESSID using a regular expression -a : Filter unassociated clients By default, airodump-ng hop on 2.4GHz channels. You can make it capture on other/specific channel(s) by using: --channel <channels> : Capture on specific channels --band <abg> : Band on which airodump-ng should hop -C <frequencies> : Uses these frequencies in MHz to hop --cswitch <method> : Set channel switching method 0 : FIFO (default) 1 : Round Robin 2 : Hop on last -s : same as --cswitch --help : Displays this usage screen