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What are the main functions of rpm?
RPM is the abbreviation of rpm package manager. Although the name of this file format is marked with the symbol of RedHat, its original design concept is open, and now it has been adopted by distributed versions of Linux, including OpenLinux, S.u.S.E and Turbo Linux, which can be regarded as a recognized industry standard.

RPM package manager [1]

Redhat package manager

English interpretation: RPM package manager

Note: A tool for packaging and installing Internet download packages is included in some Linux distributions. It uses. RPM extension. Similar to Dpkg.

RPM is the abbreviation of RedHat package manager. Although the name of this file format is marked with the logo of red hat, its original design concept is open, and now it has been adopted by distributed versions of Linux, including OpenLinux, S.u.S.E and Turbo Linux, which can be regarded as a recognized industry standard.

It is the easiest to install RPM files in Linux system. Take the famous image processing software XV as an example, and its RPM package XV-3.10a-13.i386.rpm can be downloaded from the home page of the program.

In Terminal, the basic installation instructions are as follows:

rpm-I XV-3. 10a- 13 . i386 . rpm

If your internet speed is fast enough, you can also install the application software directly from the network, just add the appropriate URL path before the file name of the software.

As a software package management tool, RPM manages the data of all RPM program components installed in the system. We can also use RPM to uninstall related applications.

rpm -e xv

Commonly used parameters of RPM also include:

-VH: shows the installation progress;

-u: upgrade the software package;

-qpl: lists the file information in the RPM software package;

-qpi: lists the description information of the RPM software package;

-qf: Find which RPM package the specified file belongs to;

-VA: Check all RPM packages and find the missing files;

-QA: find the corresponding file, such as rpm -qa mysql.

3 main function editing

Install, uninstall, upgrade and manage software.

Component query function

Verification function

Import, Verification and Release of Digital Signatures of Software Packages GPG and MD5

Software package dependency processing

Select install

Network remote installation function