How to do it...

1. Issuing the hosts command with -h will display the help menu:

msf > hosts -h
Usage: hosts [ options ] [addr1 addr2 ...]
​
OPTIONS:
  -a,--add       Add the hosts instead of searching
  -d,--delete    Delete the hosts instead of searching
  -c <col1,col2> Only show the given columns (see list below)
  -h,--help      Show this help information
  -u,--up        Only show hosts which are up
  -o <file>      Send output to a file in csv format
  -O <column>    Order rows by specified column number
  -R,--rhosts    Set RHOSTS from the results of the search
  -S,--search    Search string to filter by
  -i,--info      Change the info of a host
  -n,--name      Change the name of a host
  -m,--comment   Change the comment of a host
  -t,--tag       Add or specify a tag to a range of hosts
​
Available columns: address, arch, comm, comments, created_at, cred_count, detected_arch, exploit_attempt_count, host_detail_count, info, mac, name, note_count, os_family, os_flavor, os_lang, os_name, os_sp, purpose, scope, service_count, state, updated_at, virtual_host, vuln_count, tags

1. Using the -c option, we can select which columns to display:

1. With the -S option, we can search for specific strings, such as the OS name: