LPI E - Archiving

LPI E - Archiving 3.1 Review

3.1 Archiving Files on the Command Line

    In this blog, we will discuss how Linux uses compression for files, directories, archives using tar, and other compression tools like gzip, bzip2, xz, zip, and unzip.    

    One of the unique features of Linux is its ability to compress and decompress files and directories to reduce their size. This feature is particularly useful when transferring or archiving large files, saving disk space, and improving system performance.

Tar

    Tar is an acronym for Tape Archive, and it is a command-line tool used for archiving files and directories. It allows you to ...

  • create
  • list
  • extract
  • compress 
    ... files in a single operation. The tar command is used to create a tar archive by grouping multiple files or directories into a single file. The syntax for creating an archive is as follows: 
 
$ tar -cvf archive.tar file1 file2 directory1

    The above command will create an archive named archive.tar that includes file1, file2, and directory1. To extract the contents of the archive, use the following command:

$ tar -xvf archive.tar

-x flag tells tar to extract the files,
-v displays the progress of the operation
-f indicates the name of the archive

    In addition to tar, Linux has several compression tools to reduce the size of files and directories further. These tools include gzip, bzip2, xz, zip, and unzip.

Gzip

    Gzip is a compression tool that is commonly used to compress single files. The gzip command replaces the original file with a compressed file that has the .gz extension. The syntax for compressing a file is as follows:

$ gzip file.txt

    This command compresses file.txt and creates a compressed file called file.txt.gz. To decompress a file, use the following command:

$ gzip -d file.txt.gz

The -d flag tells gzip to decompress the file.

Bzip2

    Bzip2 is another compression tool that is commonly used to compress single files. Bzip2 typically compresses files better than gzip, but it is slower. The syntax for compressing a file with bzip2 is as follows:

$ bzip2 file.txt

    This command compresses file.txt and creates a compressed file called file.txt.bz2. To decompress a file, use the following command:

$ bzip2 -d file.txt.bz2

The -d flag tells bzip2 to decompress the file.

Xz

    Xz is a compression tool that is commonly used to compress files and directories. It provides better compression ratios than both gzip and bzip2, but it is also slower. The syntax for compressing a file or directory with xz is as follows:

$ xz file.txt

    This command compresses file.txt and creates a compressed file called file.txt.xz. To decompress a file, use the following command:

$ xz -d file.txt.xz

The -d flag tells xz to decompress the file.

Zip

    Zip is a compression tool that is commonly used to compress multiple files and directories. It creates a compressed file that has the .zip extension. The syntax for compressing files and directories with zip is as follows:

$ zip archive.zip file1 file2 directory1

    This command creates a compressed file called archive.zip that includes file1, file2, and directory1. To extract the contents of a zip file, use the following command:

$ unzip archive.zip

This command extracts the contents of archive.zip into the current directory.

    In conclusion, Linux offers a variety of compression tools that can be used to reduce the size of files and directories. Tar is a versatile command-line tool that can be used to create archives and compress files, while gzip, bzip2, xz, zip, and unzip are commonly used for compressing files and directories. These tools can help save disk space, improve system performance, and make file transfers easier.

    To learn more about how to use these compression tools, you can refer to the documentation for your specific Linux distribution. 

Debian

https://www.debian.org/doc/manuals/debian-reference/ch05.en.html. 

openSUSE

 https://doc.opensuse.org/documentation/leap/

Fedora 

https://docs.fedoraproject.org/en-US/

 



Disclaimer:

The samples provided here are intended to serve as a general guide and reference for individuals preparing for the LPI Linux certifications. These samples are not meant to represent the exact questions that may appear on the actual exam. The LPI certification exams are constantly updated and revised, and the questions on each exam are carefully crafted to assess a candidate's knowledge and skills.

Therefore, while we have made every effort to ensure the accuracy and relevance of the samples provided, we cannot guarantee that they will reflect the content or difficulty level of the actual exam. Additionally, we do not endorse or have any affiliation with the Linux Professional Institute (LPI).

We strongly recommend that candidates use these samples as an additional resource for their exam preparation, in combination with other study materials and practice tests. Ultimately, success on the LPI Linux certification exams will depend on an individual's knowledge, experience, and understanding of the exam objectives.

By using these samples, you agree that neither the provider of these sample questions nor any of its affiliates or employees shall be liable for any damages arising from your use or reliance on these sample questions or any information provided herein.

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