.TH nfc-jewel 1 "Feb 02, 2014" "libnfc" "NFC Utilities" .SH NAME nfc-jewel \- Jewel command line tool .SH SYNOPSIS .B nfc-jewel .RI \fR\fBr\fR|\fBw\fR .IR DUMP .SH DESCRIPTION .B nfc-jewel is a Jewel tool that allows one to read or write a tag data to/from a .IR DUMP file. Jewel tag by Broadcom, previously Innovision, uses a binary Dump file to store data for all sectors. Be cautious that some parts of a Jewel memory can be written only once and some parts are used as lock bits, so please read the tag documentation before experimenting too much! .SH OPTIONS .BR r " | " w Perform read from ( .B r ) or write to ( .B w ) card. .TP .IR DUMP JeWel Dump (JWD) used to write (card to JWD) or (JWD to card) .SH BUGS Please report any bugs on the .B libnfc issue tracker at: .br .BR https://github.com/nfc-tools/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).