---
name: "ctfstool"
section: "1"
platform: "linux"
package: "chipcard-tools"
version: "0.9.1-7sarge0"
release: "Debian 3.1 (Sarge)"
platforms: ["linux"]
url: "https://new.carta.tech/ctfstool"
---

# ctfstool(1)

Tool for manipulation of files on memory chip cards

## NAME

ctfstool - Tool for manipulation of files on memory chip cards

## SYNTAX

ctfstool \<*command*\> \[*options*\]\

## DESCRIPTION

This tool allows manipulation of files on a memory chip card (using LibChipCard's Card File System).

## OPTIONS

- **-u** \<*userid*\>

  Specify the user id of the owner of the chip card. This is only needed with encrypted file systems.

- **-p** \<*password*\>

  Specify the password for the chip card. This is only needed with encrypted file systems.

## COMMANDS

- **format** \<*size*\> \<*name*\>

  Prepare the chip card to be used as a file storage. If options -u and -p are given then the file system will be encrypted.\
   *size* is the size of the memory on the card to be used, *name* is the name to assign to the card.

- **scratch** \<*size*\>

  Overwrite all the data on the chip card. *size* is the size of the memory on the card to be used

- **info**

  Show some information about the card.

- **mode** \<*mode*\>

  Sets the mode. Currently there are two modes:\
   *RW* set to read-write mode\
   *RO* set to read-only mode, thus allowing no changes to be made to the card

- **md** \<*name*\>

  Create a directory of the *name*

- **rd** \<*name*\>

  Remove a directory of the *name*. This directory MUST be empty.

- **ls** \<*dir*\>

  List the content of the given *dir* on the card.

- **cat** \<*file*\>

  Dump the content of the given *file* to stdout.

- **read** \<*source*\> \<*destination*\>

  Reads a file from the card and stores it locally.

- **write** \<*source*\> \<*destination*\>

  Stores a local file on the chip card.\

## FILES

*/etc/libchipcard.conf* \

## EXAMPLES

To create a file system on a 16 KB memory chip card type:

ctfstool format 16382 Medium-16KB-1 -u martin -p secret

View some information and statistics about the card with:\
 ctfstool info -u martin -p secret\

## AUTHORS

Martin Preuss \<martin@libchipcard.de\>

## SEE ALSO