lrzip(1) lrzip(1) (NAME) lrzip - (SYNOPSIS) lrzip [OPTIONS] lrzip -d [OPTIONS] lrunzip [OPTIONS] lrzcat [OPTIONS] lrztar [lrzip options] lrztar -d [lrzip options] lrzuntar [lrzip options] lrz [lrz options] LRZIP=NOCONFIG [lrzip|lrunzip] [OPTIONS] (DESCRIPTION) LRZIP (long distance redundancy) . lrztar LRZIP . (OPTIONS SUMMARY) lrzip . General options: -c, --check check integrity of file written on decompression -d, --decompress decompress -e, --encrypt[=password] password protected sha512/aes128 encryption on compression -h, -?, --help show help -H, --hash display md5 hash integrity information -i, --info show compressed file information -q, --quiet don't show compression progress -Q, --very-quiet don't show any output -r, --recursive operate recursively on directories -t, --test test compressed file integrity -v[v], --verbose Increase verbosity -V, --version show version Options affecting output: -D, --delete delete existing files -f, --force force overwrite of any existing files -k, --keep-broken keep broken or damaged output files -o, --outfile filename specify the output file name and/or path -O, --outdir directory specify the output directory when -o is not used -S, --suffix suffix specify compressed suffix (default '.lrz') Options affecting compression: -b, --bzip2 bzip2 compression -g, --gzip gzip compression using zlib -l, --lzo lzo compression (ultra fast) -n, --no-compress no backend compression - prepare for other compressor -z, --zpaq zpaq compression (best, extreme compression, extremely slow) Low level options: -L, --level level set lzma/bzip2/gzip compression level (1-9, default 7) -N, --nice-level value Set nice value to value (default 19) -p, --threads value Set processor count to override number of threads -m, --maxram size Set maximum available ram in hundreds of MB overrides detected amount of available ram -T, --threshold Disable LZ4 compressibility testing -U, --unlimited Use unlimited window size beyond ramsize (potentially much slower) -w, --window size maximum compression window in hundreds of MB default chosen by heuristic dependent on ram and chosen compression LRZIP=NOCONFIG environment variable setting can be used to bypass lrzip.conf. TMP environment variable will be used for storage of temporary files when needed. TMPDIR may also be stored in lrzip.conf file. If no filenames or "-" is specified, stdin/out will be used. (OPTIONS) (General options) -c . lrzip crc32 md5 ( ) . . lrzip md5 . md5 . . -d ( ). lrzip . "lrunzip" -d . "lrzcat" -d -o - . -e --encrypt[=password] . sha512 aes128 CBC . . brute-force . -h|-? . -H md5 lrzip . 0.560 md5 . md5 . md5 ( ) . -i . . -v -vv . -q lrzip . lzma ( ) . -Q lrzip . -r lrzip . lrztar tar . -t . . -v[v] (verbosity). -vv -v . -V lrzip. (Options affecting output) -D lrzip . . -f () lrzip . . -k . LRZIP . -o . . -o . -O . -o . -S . '.lrz' . (Options affecting compression) -b Bzip2. bzip2 rzip . -g Gzip. gzip compress uncompress libz . -l LZO. lrzip lzo . bzip2 . -n . lrzip . LZO ( ) . -z ZPAQ. ZPAQ PAQ ( lzma ). (Low level options) -L 1..9 1 9. 7 . lrzip . -w . -N value nice 19 . lrzip . nice -20 19 . . -p value (threads) . lrzip CPU . CPU . 1 CPU . -T LZ4 . LZ4 LZMA ZPAQ . LZ4 . LZ4 lrzip . LZ4 . -U (Unlimited window size). lrzip "sliding mmap" . rzip . . -w n n . lrzip lrzip . () lrzip . 2 . lrzip . (INSTALLATION) "make install" lrzip (PATH) . (COMPRESSION ALGORITHM) LRZIP . . . (zpaq) (lzma - ) (lzo) (bzip2 gzip) . . lrzip . deflate gzip . bzip2 . lrzip . . . pdf . lrzip . (FILES) LRZIP . /etc/lrzip $HOME/.lrzip . lrzip.conf . (ENVIRONMENT) lrzip lrzip.conf . : LRZIP = NOCONFIG [lrzip|lrunzip] [OPTIONS] lrzip . - rzip Andrew Tridgell rzip rsync . . LRZIP / Con Kolivas lzma lzo rzip . (BUGS) . (SEE ALSO) lrzip.conf(5), lrunzip(1), lrzcat(1), lrztar(1), lrzuntar(1), lrz(1), bzip2(1), gzip(1), lzop(1), rzip(1), zip(1) (DIAGNOSTICS) 0 1 ( ) 2 . (AUTHOR and CREDITS) lrzip rzip Con Kolivas . rzip Andrew Tridgell . lzma Igor Pavlov . lzo Markus Oberhumer . zpaq Matt Mahoney . LZMA SDK lzma Peter Hyman . : https://github.com/ckolivas/lrzip lrzip (GNU General Public License) . COPYING . February 2022 lrzip(1)