$ pwgen --capitalize --numerals --symbols --secure -1 20 10
A=(B\Oo_v4"MH;jO5*:o
4B%#`Y@9l"?i"Y*V9%-i
s9]vQaon}{xW2@4auE@f
zb,][z:{)uD:A+JtL](2
?#}gyu7]B9[*)5\1EjL[
j[)|yy^1YM!c'W!V/d,0
6MU%5(itcbWGO>0i$0T<
qeZdCy5d'hfQ`\^aYv3C
9,gp"?S&_eO;]Tp0J@(Y
rtv"(|Er_?-!<0X|Sq:~
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/