ZCAT(1) ZCAT(1) (NAME) zcat - gzip (SYNOPSIS) zcat [ ] [ ... ] (DESCRIPTION) zcat gzip ( gzip -dc). zcat gunzip -c ( gzip -dc) . ( zcat gzcat compress .) zcat . "-" . zcat (magic number) .gz . zcat gzip zip compress compress -H pack . . gzip zip CRC . pack . compress zcat .Z . .Z uncompress uncompress . SCO compress -H ( lzh) CRC . zip zcat 'deflation' . tar.zip tar.gz . zip unzip zcat . (OPTIONS) -c, --stdout, --to-stdout ( zcat ). -d, --decompress, --uncompress ( zcat ). -f, --force . gzip zcat cat . -h, --help . -l, --list : (compressed size) (uncompressed size) (ratio) (uncompressed_name) gzip ( .Z) -1 . --verbose CRC . -L, --license . -q, --quiet . -r, --recursive zcat . -S .suf, --suffix .suf .suf .gz. . --synchronous (synchronous). . -t, --test . -v, --verbose ( ) . -V, --version . (ADVANCED USAGE) (concatenate) . zcat . : gzip -c file1 > foo.gz gzip -c file2 >> foo.gz : zcat foo.gz : cat file1 file2 .gz . CRC --list . : zcat file.gz | wc -c (ENVIRONMENT) GZIP zcat . . . (DIAGNOSTICS) . Usage: zcat [-fhLV] [file ...] . file: not in gzip format gzip . file: Corrupt input. Use zcat to recover some data. . : zcat file > recover file: compressed with xx bits, can only handle yy bits . gunzip: corrupt input (SIGSEGV) . (CAVEATS) (pad) . zcat . --quiet . (BUGS) compress gzip . (SEE ALSO) cat(1), gzip(1), gunzip(1), zless(1), zmore(1), zdiff(1), zcmp(1), zgrep(1), gzexe(1), zip(1), unzip(1), compress(1) gzip RFC 1952 : DEFLATE RFC 1951 : (REPORTING BUGS) : bug-gzip@gnu.org GNU gzip: : (COPYRIGHT) Copyright (C) 1998-1999, 2001-2002, 2012, 2015-2023 Free Software Foundation, Inc. Copyright (C) 1992, 1993 Jean-loup Gailly . . gzip ZCAT(1)