.TH nfc-mfultralight 1 "Nov 02, 2009" "libnfc" "NFC Utilities" .SH NAME nfc-mfultralight \- MIFARE Ultralight command line tool .SH SYNOPSIS .B nfc-mfultralight .RI \fR\fBr\fR|\fBw\fR .IR DUMP .SH DESCRIPTION .B nfc-mfultralight is a MIFARE Ultralight tool that allows one to read or write a tag data to/from a .IR DUMP file. MIFARE Ultralight tag is one of the most widely used RFID tags for ticketing application. It uses a binary Mifare Dump file (MFD) to store data for all sectors. Be cautious that some parts of a Ultralight memory can be written only once and some parts are used as lock bits, so please read the tag documentation before experimenting too much! To set the UID of a special writeable UID card, edit the first 7 bytes of a dump file and then write it back, answering 'Y' to the question 'Write UID bytes?'. .SH OPTIONS .BR r " | " w Perform read from ( .B r ) or write to ( .B w ) card. .TP .IR DUMP MiFare Dump (MFD) used to write (card to MFD) or (MFD to card) .SH BUGS Please report any bugs on the .B libnfc issue tracker at: .br .BR http://code.google.com/p/libnfc/issues .SH LICENCE .B libnfc is licensed under the GNU Lesser General Public License (LGPL), version 3. .br .B libnfc-utils and .B libnfc-examples are covered by the the BSD 2-Clause license. .SH AUTHORS Roel Verdult , .br Romuald Conty . .PP This manual page was written by Romuald Conty . It is licensed under the terms of the GNU GPL (version 2 or later).