This will give you a short overview...

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COMMANDS
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- Save a password

  1:	poc -s
  2:	poc --save-password

  AES (RIJNDAEL) will be used to encipher the card's memory

- Remove a password

  1:	poc -r hamster@box.org
  2:	poc --remove-password=hamster@box.org

  This will remove the password which has the description "hamster@box.org"

- Format a card

  1:	poc -f
  2:	poc --format-card

  You'll be asked for the size of the card and finally the card will be
  formated.

- List password/s

  1:	poc -l hamster@box.org
  2:	poc --list-password=hamster@box.org 

  This will give you the password to which the given description 
  "hamster@box.org" belongs.

  1:	poc -l all
  2:	poc --list-password=all

  This will list all passwords...

- Change the card's key

  1:	poc -c
  2:	poc --change-cardkey

  You'll be asked for the old and then for the new key. And then it'll be
  changed.

- Backup a card to a file

   	poc --backup=card_backup

  The card's memory will be written to the file 'card_backup'

- Restore a card from a file
  
  	poc --restore=card_backup

  The file 'card_backup' will be read and then written to the card.