$ pwgen --capitalize --numerals --symbols --secure -1 20 10
o5j"I6?wX:i@]r\<9NZz
X9L7+K.b4ID37~6@":(}
3VW8VHA^0sdaK(4nh_yV
/&`s(TRyR>+0jQWR?)!S
z5k8AOq0;vZHnz`{AG(b
r-$xmG{KVfRzLS(d\Mj9
k1k<eX\uyU:9vinv[G\s
lwo8?"<c|%]'c`txy?N0
5N!F"G5#c:hI*0%zMyz[
ONiow.E8m,Tw!ca6e;_8
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/