Detailed explanation of Linux dpkg-query command usage (query tool for software packages in Debian Linux)

dpkg-query command is a query tool for software packages in Debian Linux. It queries and identifies software package information from the dpkg software package database.

grammar

dpkg-query(选项)(参数)

Options

-l：列出符合匹配模式的软件包；
-s：查询软件包的状态信息；
-L：显示软件包所安装的文件列表；
-S：从安装的软件包中查询文件；
-<span class="wp_keywordlink">w</span>：显示软件包信息；
-c：显示软件包的控制文件路径；
-p：显示软件包的细节。

parameter

Software package name: Specify the software package to be queried.

Example

Find which package file file1 is installed in:

dpkg-query -S file1

List the list of software installed under ubuntu:

dpkg-query -W --showformat='${Package} ${Version}\n' > filename

View package details:

dpkg-query -s capistrano

View the list of files installed to the system during software package installation:

dpkg-query -L capistrano

List all installed packages:

dpkg-query -l

Check the exact status of the software package (whether installed or not) and version number:

dpkg-query -W -f='${Status} ${Version}\n' apache-<span class="wp_keywordlink">perl</span>

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