cardos-tool 1 OpenSC OpenSC Tools opensc
cardos-tool displays information about Card OS-based security tokens or format them
`cardos-tool` OPTIONS

## Description

The `cardos-tool` utility is used to display information about smart cards and similar security tokens based on Siemens Card/OS M4.

## Options

`--format`, `-f`

  Format the card or token.

`--help`, `-h`

  Print help message on screen.

`--info`, `-i`

  Display information about the card or token.

`--reader` arg, `-r` arg

  Number of the reader to use. By default, the first reader with a present card is used. If arg is an ATR, the reader with a matching card will be chosen.

`--startkey` arg, `-s` arg

  Specify startkey for format.

`--change-startkey` arg, `-S` arg

  Change Startkey with given APDU command.

`--verbose`, `-v`

  Causes `cardos-tool` to be more verbose. Specify this flag several times to enable debug output in the opensc library.

`--wait`, `-w`

  Causes `cardos-tool` to wait for the token to be inserted into reader.

## Authors

`cardos-tool` was written by Andreas Jellinghaus aj@dungeon.inka.de.