$ pwgen --capitalize --numerals --symbols --secure -1 20 10
yze~{4a.V18?{|';(~A]
TTPU;9odfuQfjp~'{3&Q
1HGQju#+a9\]/Iskgxn#
^x;\W2;?lQCe_/Kg-vY~
QSQ_N*EQoI:54krc%Ot!
~t;y0}oN=DT=im?o;}qY
9`U3NEIO{E0C1j9EG#H=
7\LOzDI.$\xD9(yq/9eq
MyszMe5ChR^V@fav*~q]
$4mSb=i"B{Z(3f&SE}0&
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/