Apt¶

1. 查看软件包信息
   

   apt search libgl4es
   Sorting... Done
   Full Text Search... Done
   libgl4es/now 1.1.4-1 arm64 [installed,local]
     GL4ES - OpenGL for GLES Hardware
   
   libgl4es-dbgsym/now 1.1.4-1 arm64 [installed,local]
     debug symbols for libgl4es
   
   libgl4es-dev/now 1.1.4-1 arm64 [installed,local]
     GL4ES - OpenGL for GLES Hardware
   
   apt info libgl4es-dev
   Package: libgl4es-dev
   Version: 1.1.4-1
   Status: install ok installed
   Priority: optional
   Section: libs
   Source: gl4es
   Maintainer: licheng <shiptux@gmail.com>
   Installed-Size: 19.5 kB
   Homepage: https://github.com/ptitSeb/gl4es
   Download-Size: unknown
   APT-Manual-Installed: yes
   APT-Sources: /var/lib/dpkg/status
   Description: GL4ES - OpenGL for GLES Hardware
    This is a headers provide OpenGL 2.x functionality for GLES2.0 accelerated Hardware
    (and of course also support OpenGL 1.5 function, so metimes better than when using
    GLES 1.1 backend) There is also support for GLES 1.1 Hardware, emulating OpenGL 1.5,
    and some OpenGL 2.x + extensions.
    This package contains the development files.
   
   apt-cache policy libgl4es-dev
   libgl4es-dev:
     Installed: 1.1.4-1
     Candidate: 1.1.4-1
     Version table:
    *** 1.1.4-1 100
           100 /var/lib/dpkg/status
   
   apt-cache show libgl4es-dev
   Package: libgl4es-dev
   Status: install ok installed
   Priority: optional
   Section: libs
   Installed-Size: 19
   Maintainer: licheng <shiptux@gmail.com>
   Architecture: arm64
   Source: gl4es
   Version: 1.1.4-1
   Description: GL4ES - OpenGL for GLES Hardware
    This is a headers provide OpenGL 2.x functionality for GLES2.0 accelerated Hardware
    (and of course also support OpenGL 1.5 function, so metimes better than when using
    GLES 1.1 backend) There is also support for GLES 1.1 Hardware, emulating OpenGL 1.5,
    and some OpenGL 2.x + extensions.
    This package contains the development files.
   Description-md5: 6724791ec030306ac3d764f55820c48b
   Homepage: https://github.com/ptitSeb/gl4es
   
   apt-cache show libgl4es-dev
   Package: libgl4es-dev
   Status: install ok installed
   Priority: optional
   Section: libs
   Installed-Size: 19
   Maintainer: licheng <shiptux@gmail.com>
   Architecture: arm64
   Source: gl4es
   Version: 1.1.4-1
   Description: GL4ES - OpenGL for GLES Hardware
    This is a headers provide OpenGL 2.x functionality for GLES2.0 accelerated Hardware
    (and of course also support OpenGL 1.5 function, so metimes better than when using
    GLES 1.1 backend) There is also support for GLES 1.1 Hardware, emulating OpenGL 1.5,
    and some OpenGL 2.x + extensions.
    This package contains the development files.
   Description-md5: 6724791ec030306ac3d764f55820c48b
   Homepage: https://github.com/ptitSeb/gl4es
   

2. dpkg查看软件包信息
   

   dpkg -s libgl4es-dev
   

3. 查看包安装的文件列表
   

   dpkg -L libgl4es-dev
   

4. 查看某个文件属于哪个包
   

   dpkg -S /usr/lib/libGL.so.1
   

5. 查看所有已安装的包
   

   dpkg -l
   

6. 查看包的元数据（包括来源信息）
   

   dpkg -I libgl4es-dev_1.1.4-1.deb
   

7. 查看包的安装脚本（如果有）
   

   dpkg -c <package_file.deb>
   

8. 查看已安装软件版本
   

   dpkg -l | grep -E "pulseaudio|libpulse0" 
   

9. 卸载软件
   

   apt remove pulseaudio
   

10. 卸载软件（包括配置）
    

    apt purge pulseaudio