find freebsd version:

uname -a

view installed software:

pkg_info or pkg info

view passwords:

vipw or cat /etc/master.passwd

View listening ports:

netstat -an -p tcp

view services:

ps aux

Shows operating system info

uname -a

search files for password:

grep -ri 'password' *

cracking passwords

sudo john master.passwd --wordlist=pass 
Using default input encoding: UTF-8
Loaded 1 password hash (sha512crypt, crypt(3) $6$ [SHA512 256/256 AVX2 4x])
Cost 1 (iteration count) is 5000 for all loaded hashes
Press 'q' or Ctrl-C to abort, almost any other key for status
password          (iron)
1g 0:00:00:00 DONE (2020-10-02 11:35) 25.00g/s 100.0p/s 100.0c/s 100.0C/s iron..577
Use the "--show" option to display all of the cracked passwords reliably
Session completed