cardos-tool 1 OpenSC OpenSC Tools opensc cardos-tool displays information about Card OS-based security tokens or format them cardos-tool OPTIONS The cardos-tool utility is used to display information about smart cards and similar security tokens based on Siemens Card/OS M4. --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. cardos-tool was written by Andreas Jellinghaus aj@dungeon.inka.de.