mkpasswd
Overfeatured front end to crypt(3)
root@kali:~# mkpasswd -h
Usage: mkpasswd [OPTIONS]... [PASSWORD [SALT]]
Crypts the PASSWORD using crypt(3).
-m, --method=TYPE select method TYPE
-5 like --method=md5crypt
-S, --salt=SALT use the specified SALT
-R, --rounds=NUMBER use the specified NUMBER of rounds
-P, --password-fd=NUM read the password from file descriptor NUM
instead of /dev/tty
-s, --stdin like --password-fd=0
-h, --help display this help and exit
-V, --version output version information and exit
If PASSWORD is missing then it is asked interactively.
If no SALT is specified, a random one is generated.
If TYPE is 'help', available methods are printed.
Report bugs to <md+whois@linux.it>.
whois
Client for the whois directory service
root@kali:~# whois --help
Usage: whois [OPTION]... OBJECT...
-h HOST, --host HOST connect to server HOST
-p PORT, --port PORT connect to PORT
-I query whois.iana.org and follow its referral
-H hide legal disclaimers
--verbose explain what is being done
--no-recursion disable recursion from registry to registrar servers
--help display this help and exit
--version output version information and exit
These flags are supported by whois.ripe.net and some RIPE-like servers:
-l find the one level less specific match
-L find all levels less specific matches
-m find all one level more specific matches
-M find all levels of more specific matches
-c find the smallest match containing a mnt-irt attribute
-x exact match
-b return brief IP address ranges with abuse contact
-B turn off object filtering (show email addresses)
-G turn off grouping of associated objects
-d return DNS reverse delegation objects too
-i ATTR[,ATTR]... do an inverse look-up for specified ATTRibutes
-T TYPE[,TYPE]... only look for objects of TYPE
-K only primary keys are returned
-r turn off recursive look-ups for contact information
-R force to show local copy of the domain object even
if it contains referral
-a also search all the mirrored databases
-s SOURCE[,SOURCE]... search the database mirrored from SOURCE
-g SOURCE:FIRST-LAST find updates from SOURCE from serial FIRST to LAST
-t TYPE request template for object of TYPE
-v TYPE request verbose template for object of TYPE
-q [version|sources|types] query specified server info