usage:  /usr/bin/xauth [-options ...] [command arg ...]

where options include:
    -f authfilename                name of authority file to use
    -v                             turn on extra messages
    -q                             turn off extra messages
    -i                             ignore locks on authority file
    -b                             break locks on authority file
    -n                             do not resolve host names in authority file
    -V, --version                  show version number of xauth

and commands have the following syntax:

    add dpyname protoname hexkey   add entry
    exit                           save changes and exit program
    extract filename dpyname...    extract entries into file
    help [topic]                   print help
    info                           print information about entries
    list [dpyname...]              list entries
    merge filename...              merge entries from files
    nextract filename dpyname...   numerically extract entries
    nlist [dpyname...]             numerically list entries
    nmerge filename...             numerically merge entries
    quit                           abort changes and exit program
    remove dpyname...              remove entries
    source filename                read commands from file
    version                        show version number of xauth
    ?                              list available commands
    generate dpyname protoname [options]  use server to generate entry
    options are:
      timeout n    authorization expiration time in seconds
      trusted      clients using this entry are trusted
      untrusted    clients using this entry are untrusted
      group n      clients using this entry belong to application group n
      data hexkey  auth protocol specific data needed to generate the entry


A dash may be used with the "merge" and "source" to read from the
standard input.  Commands beginning with "n" use numeric format.