diff options
Diffstat (limited to '')
| -rw-r--r-- | doc/lziprecover.texi (renamed from doc/lziprecover.texinfo) | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/doc/lziprecover.texinfo b/doc/lziprecover.texi index 3dbceb9..be4fc27 100644 --- a/doc/lziprecover.texinfo +++ b/doc/lziprecover.texi @@ -6,8 +6,8 @@ @finalout @c %**end of header -@set UPDATED 14 September 2013 -@set VERSION 1.15 +@set UPDATED 5 April 2014 +@set VERSION 1.16-pre1 @dircategory Data Compression @direntry @@ -47,7 +47,8 @@ This manual is for Lziprecover (version @value{VERSION}, @value{UPDATED}). @end menu @sp 1 -Copyright @copyright{} 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz. +Copyright @copyright{} 2009, 2010, 2011, 2012, 2013, 2014 +Antonio Diaz Diaz. This manual is free documentation: you have unlimited permission to copy, distribute and modify it. @@ -62,18 +63,34 @@ lzip compressed data format (.lz), able to repair slightly damaged files, recover badly damaged files from two or more copies, extract data from damaged files, decompress files and test integrity of files. -The lzip file format is designed for long-term data archiving. It is -clean, provides very safe 4 factor integrity checking, and is backed by -the recovery capabilities of lziprecover. +The lzip file format is designed for long-term data archiving, taking +into account both data integrity and decoder availability: + +@itemize @bullet +@item +The lzip format provides very safe integrity checking and some data +recovery means. The lziprecover program can repair bit-flip errors (one +of the most common forms of data corruption) in lzip files, and provides +data recovery capabilities, including error-checked merging of damaged +copies of a file. + +@item +The lzip format is as simple as possible (but not simpler). The lzip +manual provides the code of a simple decompressor along with a detailed +explanation of how it works, so that with the only help of the lzip +manual it would be possible for a digital archaeologist to extract the +data from a lzip file long after quantum computers eventually render +LZMA obsolete. + +@item +Additionally lzip is copylefted, which guarantees that it will remain +free forever. +@end itemize Lziprecover is able to recover or decompress files produced by any of the compressors in the lzip family; lzip, plzip, minilzip/lzlib, clzip and pdlzip. -Lziprecover makes lzip files resistant to bit-flip (one of the most -common forms of data corruption), and can safely merge multiple damaged -backup copies. - If the cause of file corruption is damaged media, the combination @w{GNU ddrescue + lziprecover} is the best option for recovering data from multiple damaged copies. @xref{ddrescue-example}, for an example. |