Compress tar gz mac command line

Bzip2 is slower, but it compresses a bit more, so you get a somewhat smaller file. Gzip is also more common, with some stripped-down Linux systems including gzip support by default, but not bzip2 support. In general, though, gzip and bzip2 are practically the same thing and both will work similarly.

  • How to unzip a tar.gz file.
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The following command will extract the contents of archive. This specifies you want to e x tract an archive instead of create one. You may want to extract the contents of the archive to a specific directory.

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  5. You can do so by appending the -C switch to the end of the command. This is the simplest possible usage of the tar command. For more information. On Windows, you can extract and create. The Best Tech Newsletter Anywhere.

    Create and extract a .tar.gz archive using command line

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    Opening .tar.gz Archives

    Smarthome Office Security Linux. Therefore -cvf will perform as expected while -cfv will fail. Many common tasks using the tar command are explained below. Just as tar does not contain the ability to compress the files that it archives, the gzip tools are only able to act on single files. The following command takes the file full-text. You can add the -v flag to increase verbosity and output statistics regarding the rate of compression:.

    The compression algorithm that gzip uses to compress files can be configured to use a higher amount of compression and thus save space at the expense of time. This ratio is controlled by a numeric argument between -1 and The default configuration is To create a file without using the standard output redirection, you may consider the following equivalent form:.

    Compress files & folder in the Terminal Command Line in macOS Sierra

    The order that options e. The final argument is the folder or selection of files to be included in the archive. In conventional usage, tar is combined with a compression utility to not only archive files for more efficient backup but also compress them. Some alternative compression and archiving tools with which you may be familiar include both functions in a single procedure.

    However, modern versions of tar are able to interface with common compression libraries and tools like gzip to create a compressed archive in a single step:. To compress using bzip2 , issue the following command:. To remove the necessity of remembering the corresponding file extensions and tar options, you can use the -a option which allows tar to detect the desired compression system based on the file extension.

    Therefore, the following commands will all create a tar archive compressed with gzip :. Similarly the following commands will all create archives with tar compressed with bzip :. As above, tar will auto detect for zip compression given the extensions.

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    While you can always extract the contents of an archive to review the manifest of files, this can be inefficient. This will produce a list of files contained within the archive. This command works with both compressed and uncompressed tar archives. This command simply extracts the content of an uncompressed tar archive into the current directory.

    Linux Backup with TAR and Cron Jobs

    Here is a more practical example of how tar may be used to extract files from a compressed archive:. When an archive is compressed with one of the other compatible compression tools, you will need to replace the -z option with the appropriate option flag for the compression type used.

    For example, to unpack an archive compressed with the bzip2 tool:. The -a option that automatically determines which compression tool to use based on the file extension is available in conjunction with the extraction option -x. Additionally, tar provides a -k option to prevent replacing an existing file with a similar named file from a tar archive.