<computeroutput>$ </computeroutput><userinput>dpkg -s gcc-9-base
</userinput><computeroutput>dpkg-query: error: --status needs a valid package name but 'gcc-9-base' is not: ambiguous package name 'gcc-9-base' with more than one installed instance

Use --help for help about querying packages.
$ </computeroutput><userinput>dpkg -s gcc-9-base:amd64 gcc-9-base:armhf | grep ^Multi
</userinput><computeroutput>Multi-Arch: same
Multi-Arch: same
$ </computeroutput><userinput>dpkg -L libgcc-s1:amd64 |grep .so
</userinput><computeroutput>/lib/x86_64-linux-gnu/libgcc_s.so.1
$ </computeroutput><userinput>dpkg -S /usr/share/doc/gcc-9-base/copyright
</userinput><computeroutput>gcc-9-base:amd64, gcc-9-base:armhf: /usr/share/doc/gcc-9-base/copyright
</computeroutput>
<computeroutput>$ </computeroutput><userinput>dpkg -s gcc-4.9-base
</userinput><computeroutput>dpkg-query: error: --status needs a valid package name but 'gcc-4.9-base' is not: ambiguous package name 'gcc-4.9-base' with more than one installed instance

Use --help for help about querying packages.
$ </computeroutput><userinput>dpkg -s gcc-4.9-base:amd64 gcc-4.9-base:armhf | grep ^Multi
</userinput><computeroutput>Multi-Arch: same
Multi-Arch: same
$ </computeroutput><userinput>dpkg -L libgcc1:amd64 |grep .so
</userinput><computeroutput>/lib/x86_64-linux-gnu/libgcc_s.so.1
$ </computeroutput><userinput>dpkg -S /usr/share/doc/gcc-4.9-base/copyright
</userinput><computeroutput>gcc-4.9-base:amd64, gcc-4.9-base:armhf: /usr/share/doc/gcc-4.9-base/copyright
</computeroutput>