bzip2
QNX SDP8.0Utilities ReferenceUtilities
Compress and decompress files
Syntax:
Compress and decompress files:
bzip2 [options] [files...]
Decompress files:
bunzip2 [options] [files...]
Decompress files to standard output:
bzcat [options] [files...]
Runs on:
QNX OS
Options:
- -1 ... -9
- Set the blocksize to 100 ... 900 KB.
- -c or --stdout
- Send the output to standard output.
- -d or --decompress
- Force decompression.
- -f or --force
- Force the utility to overwrite existing output files.
- -h or --help
- Display a help message.
- -k or --keep
- Keep (i.e., don't delete) input files.
- -L or --license
- Display the software version and license.
- -q or --quiet
- Suppress noncritical error messages.
- -s or --small
- (Small) use less memory (at most 2500 KB).
- -t or --test
- Test the integrity of the compressed file.
- -V or --version
- Display the software version and license.
- -v or --verbose
- Verbose output; a second
v
makes the utility more verbose. - -z or --compress
- Force compression.
- --fast
- An alias for -1.
- --best
- An alias for -9.
Description:
This utility compresses and decompresses files:
- If invoked as bzip2, the default action is to compress.
- As bunzip2, the default action is to decompress.
- As bzcat, the default action is to decompress to stdout.
If no file names are given, bzip2 compresses or decompresses from standard input to standard output.
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