Usage:
pwd [--help] [--length=<length>] [--no-numbers] [--no-symbols] [--no-lowercase] [--no-uppercase] [--no-duplicates] [--exclude=<exclude>]

Where:
--help            Show this help
<length>          Set the length of a password (8 by default)
--no-numbers      Exclude numbers
--no-symbols      Exclude special characters
--no-lowercase    Exclude lowercase characters
--no-uppercase    Exclude uppercase characters
--no-duplicate    Exclude symbol duplicates
--exclude         Exclude given characters from the output

Example:
> pwd --length 4 --no-symbols
> 3fD1