bzip2 command is used to compress files into the
.bz2 format. This format is similar to
gzip and is commonly used for compressing large files to save disk space and reduce transfer times.
The basic syntax for the
bzip2 command is as follows:
bzip2 [OPTIONS] FILE
FILE is the name of the file to be compressed.
To compress a file named
example.txt using the
bzip2 command, simply run the following command:
This will create a compressed file named
example.txt.bz2 in the same directory as the original file.
To decompress a
.bz2 file, use the
This will decompress the file and create a new file named
Specific Use Cases
bzip2 command is particularly useful when compressing large files, such as log files or database backups, for storage or transfer. The compressed files take up less disk space and can be transferred more quickly over a network.
The following table lists the available options for the
|-z||Compress the file. This is the default behavior.|
|-d||Decompress the file.|
|-k||Keep the original file after compression or decompression.|
|-f||Force compression or decompression, even if the output file already exists or the input file is not a valid
|-v||Verbose output. Print the name of each file as it is compressed or decompressed.|
|-q||Quiet output. Suppress all output except for error messages.|
|-t||Test the integrity of a compressed file.|
- If you receive an error message that says “bzip2: command not found”, you may need to install the
bzip2package. On Debian-based systems, you can install it with the following command:
sudo apt-get install bzip2
- If you receive an error message that says “bzip2: Can’t open input file example.txt: No such file or directory”, make sure that you are in the correct directory and that the file exists.
bzip2command is not as fast as some other compression algorithms, such as
xz, but it generally produces smaller compressed files.