Home Operation and Maintenance Linux Operation and Maintenance What are the Linux backup file commands?

What are the Linux backup file commands?

Jun 22, 2020 pm 04:28 PM
linux backup file

What are the Linux backup file commands?

Recommended tutorial: "linux video tutorial"

What are the Linux backup file commands?

Linux backup file commands are:

1.tar (compression and decompression)

-c: Create a compressed archive

-x: Decompress

-t: View the contents

-r: Append files to the end of the compressed archive

-u: Update File

in the original compressed package. These five are independent commands. One of them must be used for compression and decompression. It can be used in conjunction with other commands but only one of them can be used.

The following parameters are optional when compressing or decompressing files as needed.

-z: With gzip attribute

-j: With bz2 attribute

-Z: With compress attribute

-v: Show all Process

-O: Extract the file to standard output

The following parameter -f is required

-f: Use the file name. Remember, this parameter is the last A parameter that can only be followed by the file name.

# tar -cf all.tar *.jpg
Copy after login

This command is to package all .jpg files into a package named all.tar. -c means generating a new package, and -f specifies the file name of the package.

# tar -rf all.tar *.gif
Copy after login

This command is to add all .gif files to the all.tar package. -r means adding files.

# tar -uf all.tar logo.gif
Copy after login

This command is to update the logo.gif file in the original tar package all.tar. -u means to update the file.

# tar -tf all.tar
Copy after login

This command is to list all the files in the all.tar package. -t means to list the files.

# tar -xf all.tar
Copy after login

This command is to extract all the files in the all.tar package. -t means unzip

Compression

tar -cvf jpg.tar *.jpg//Package all jpg files in the directory into tar.jpg

tar -czf jpg.tar.gz *.jpg //Package all jpg files in the directory into jpg.tar, compress them with gzip, and name them For jpg.tar.gz

tar -cjf jpg.tar.bz2 *.jpg //Package all jpg files in the directory into jpg.tar, and compress them with bzip2 , named jpg.tar.bz2

tar -cZf jpg.tar.Z *.jpg// After packaging all the jpg files in the directory into jpg.tar, and use compress compression, named jpg.tar.Z

rar a jpg.rar *.jpg //Rar format compression, you need to download rar for linux first

zip jpg.zip *.jpg //Zip format compression, you need to download zip for linux first

Unzip

tar -xvf file.tar //Decompress tar package

tar -xzvf file.tar.gz //Decompress tar.gz

tar -xjvf file .tar.bz2 //Extract tar.bz2

tar -xZvf file.tar.Z //Extract tar.Z

unrar e file.rar //Unzip rar

unzip file.zip //Unzip zip

Summary

1. *.tar Use tar -xvf Decompress

2, *.gz Use gzip -d or gunzip to decompress

3, *.tar.gz and *.tgz Use tar -xzf to decompress

4 , *.bz2 uses bzip2 -d or bunzip2 to decompress

5, *.tar.bz2 uses tar -xjf to decompress

6, *.Z uses uncompress to decompress

7. *.tar.Z Use tar -xZf to decompress

8. *.rar Use unrar e to decompress

9. *.zip Use unzip to decompress

Example: Compression A directory

tar -cvf compressed package name Project name

tar -cvf AppStore_180808.tar AppStore

Example: Decompress a tar package

tar -xvf compressed package name

tar -xvf AppStore_180808.tar

##2.cp (copy)

cp Copy files or directories

Syntax

cp [Options] Source file target file

Common options:

-a: Equivalent to pdr

-d: Copy the link file. The target file is also the link file or directory pointing to the source file link.

-i: When the target file already exists, you will be asked whether to overwrite it.

-p: Copy together with the attributes of the file. Commonly used for backup

-r: recursive copy, used to copy directories

-s: copied as a symbolic link file, that is, a shortcut, the link file is deleted, and the symbolic link file becomes invalid.

-l: Create a hard link link file instead of copying the file itself. The source file is deleted, but the target file remains.

Source file:

Single file or directory, use the r option to copy the directory.

Multiple files or directories. When there are multiple files or directories, the target file must be an existing directory.

Note:

When ordinary users use cp under a non-privileged user root, they need to pay attention to whether the parent directory of the source file has rx permissions. Whether the file has r permission.

When a general user uses option -a, the permission time attribute can be copied, but the user and group attributes cannot be copied.

Example:

Backup test1 file with root permission

cp -a test1 ./beifen

If you back up the directory directly, You can perform the following operations

The instructions are as follows:

cp -pdf The file to be backed up and the file after backup

Recommended related articles: "

Linux system tutorial

The above is the detailed content of What are the Linux backup file commands?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Android TV Box gets unofficial Ubuntu 24.04 upgrade Android TV Box gets unofficial Ubuntu 24.04 upgrade Sep 05, 2024 am 06:33 AM

For many users, hacking an Android TV box sounds daunting. However, developer Murray R. Van Luyn faced the challenge of looking for suitable alternatives to the Raspberry Pi during the Broadcom chip shortage. His collaborative efforts with the Armbia

deepseek web version entrance deepseek official website entrance deepseek web version entrance deepseek official website entrance Feb 19, 2025 pm 04:54 PM

DeepSeek is a powerful intelligent search and analysis tool that provides two access methods: web version and official website. The web version is convenient and efficient, and can be used without installation; the official website provides comprehensive product information, download resources and support services. Whether individuals or corporate users, they can easily obtain and analyze massive data through DeepSeek to improve work efficiency, assist decision-making and promote innovation.

How to install deepseek How to install deepseek Feb 19, 2025 pm 05:48 PM

There are many ways to install DeepSeek, including: compile from source (for experienced developers) using precompiled packages (for Windows users) using Docker containers (for most convenient, no need to worry about compatibility) No matter which method you choose, Please read the official documents carefully and prepare them fully to avoid unnecessary trouble.

BitPie Bitpie wallet app download address BitPie Bitpie wallet app download address Sep 10, 2024 pm 12:10 PM

How to download BitPie Bitpie Wallet App? The steps are as follows: Search for "BitPie Bitpie Wallet" in the AppStore (Apple devices) or Google Play Store (Android devices). Click the "Get" or "Install" button to download the app. For the computer version, visit the official BitPie wallet website and download the corresponding software package.

BITGet official website installation (2025 beginner's guide) BITGet official website installation (2025 beginner's guide) Feb 21, 2025 pm 08:42 PM

BITGet is a cryptocurrency exchange that provides a variety of trading services including spot trading, contract trading and derivatives. Founded in 2018, the exchange is headquartered in Singapore and is committed to providing users with a safe and reliable trading platform. BITGet offers a variety of trading pairs, including BTC/USDT, ETH/USDT and XRP/USDT. Additionally, the exchange has a reputation for security and liquidity and offers a variety of features such as premium order types, leveraged trading and 24/7 customer support.

Zabbix 3.4 Source code compilation installation Zabbix 3.4 Source code compilation installation Sep 04, 2024 am 07:32 AM

1. Installation environment (Hyper-V virtual machine): $hostnamectlStatichostname:localhost.localdomainIconname:computer-vmChassis:vmMachineID:renwoles1d8743989a40cb81db696400BootID:renwoles272f4aa59935dcdd0d456501Virtualization:microsoftOperatingSystem:CentOS Linux7(Core)CPEOSName:cpe:

Ouyi okx installation package is directly included Ouyi okx installation package is directly included Feb 21, 2025 pm 08:00 PM

Ouyi OKX, the world's leading digital asset exchange, has now launched an official installation package to provide a safe and convenient trading experience. The OKX installation package of Ouyi does not need to be accessed through a browser. It can directly install independent applications on the device, creating a stable and efficient trading platform for users. The installation process is simple and easy to understand. Users only need to download the latest version of the installation package and follow the prompts to complete the installation step by step.

Get the gate.io installation package for free Get the gate.io installation package for free Feb 21, 2025 pm 08:21 PM

Gate.io is a popular cryptocurrency exchange that users can use by downloading its installation package and installing it on their devices. The steps to obtain the installation package are as follows: Visit the official website of Gate.io, click "Download", select the corresponding operating system (Windows, Mac or Linux), and download the installation package to your computer. It is recommended to temporarily disable antivirus software or firewall during installation to ensure smooth installation. After completion, the user needs to create a Gate.io account to start using it.

See all articles