airodump-ng

airodump-ng -V (return code: 1)

 [0mairodump-ng: unrecognized option '--version'
"airodump-ng --help" for help.

airodump-ng -HELP (return code: 1)

 [0m
  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