# Introduction

`sshca` is a command line tool to manage SSH certificate authorities and
generate host and user certificates.

~~~sh
$ sshca help
Usage: sshca [OPTIONS] <COMMAND>

Commands:
  config  Display configuration
  ca      The `ca` command
  host    Manage information about hosts
  user    Manage information bout users
  help    Print this message or the help of the given subcommand(s)

Options:
      --config <CONFIG>  
      --store <STORE>    
  -h, --help             Print help
  -V, --version          Print version
~~~

