$ pwgen --capitalize --numerals --symbols --secure -1 20 10
pc4G$nbQldU!UMEIX%pG
,}2_.rmgDAuU/Sv5Jyz#
wv#9!2J,B'o_Y>&l(gby
T{4&r+Q6m9+7hL$q^uBJ
fn*EN.Cu]~e\XuV".a44
X}6H{VZU;Z`kcvODlkV*
JVj%.^3jFU^I?.(`|6jG
q;;-)<s*X=g9$^ABr#^>
'3YVatym>?+1xu<\5\;=
o\_8my('ihq`h}aTX[.L
Usage: pwgen [ OPTIONS ] [ pw_length ] [ num_pw ]
Options supported by pwgen:
-c or --capitalize
Include at least one capital letter in the password
-A or --no-capitalize
Don't include capital letters in the password
-n or --numerals
Include at least one number in the password
-0 or --no-numerals
Don't include numbers in the password
-y or --symbols
Include at least one special symbol in the password
-r <chars> or --remove-chars=<chars>
Remove characters from the set of characters to generate passwords
-s or --secure
Generate completely random passwords
-B or --ambiguous
Don't include ambiguous characters in the password
-h or --help
Print a help message
-H or --sha1=path/to/file[#seed]
Use sha1 hash of given file as a (not so) random generator
-C
Print the generated passwords in columns
-1
Don't print the generated passwords in columns
-v or --no-vowels
Do not use any vowels so as to avoid accidental nasty words
https://sourceforge.net/projects/pwgen/