dpkg -l firefox Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-====================-============-====================================== ii firefox 75.0+build3-0ubuntu1 amd64 Safe and easy web browser from Mozilla dpkg -l xfce4 Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-========================================================= ii xfce4 4.14 all Meta-package for the Xfce Lightweight Desktop Environment uname -r -m -p -o 5.4.0-26-generic x86_64 x86_64 GNU/Linux dpkg-query -L firefox /. /etc /etc/apparmor.d /etc/apparmor.d/disable /etc/apparmor.d/usr.bin.firefox /etc/apport /etc/apport/blacklist.d /etc/apport/blacklist.d/firefox /etc/apport/native-origins.d /etc/apport/native-origins.d/firefox /etc/firefox /etc/firefox/syspref.js /usr /usr/bin /usr/lib /usr/lib/firefox /usr/lib/firefox/Throbber-small.gif /usr/lib/firefox/application.ini /usr/lib/firefox/browser /usr/lib/firefox/browser/blocklist.xml /usr/lib/firefox/browser/chrome /usr/lib/firefox/browser/chrome/icons /usr/lib/firefox/browser/chrome/icons/default /usr/lib/firefox/browser/chrome/icons/default/default128.png /usr/lib/firefox/browser/chrome/icons/default/default16.png /usr/lib/firefox/browser/chrome/icons/default/default32.png /usr/lib/firefox/browser/chrome/icons/default/default48.png /usr/lib/firefox/browser/chrome/icons/default/default64.png /usr/lib/firefox/browser/defaults /usr/lib/firefox/browser/defaults/preferences /usr/lib/firefox/browser/defaults/preferences/vendor-firefox.js /usr/lib/firefox/browser/features /usr/lib/firefox/browser/features/doh-rollout@mozilla.org.xpi /usr/lib/firefox/browser/features/formautofill@mozilla.org.xpi /usr/lib/firefox/browser/features/screenshots@mozilla.org.xpi /usr/lib/firefox/browser/features/webcompat-reporter@mozilla.org.xpi /usr/lib/firefox/browser/features/webcompat@mozilla.org.xpi /usr/lib/firefox/browser/omni.ja /usr/lib/firefox/crashreporter /usr/lib/firefox/crashreporter.ini /usr/lib/firefox/defaults /usr/lib/firefox/defaults/pref /usr/lib/firefox/defaults/pref/channel-prefs.js /usr/lib/firefox/defaults/pref/vendor-gre.js /usr/lib/firefox/dependentlibs.list /usr/lib/firefox/distribution /usr/lib/firefox/distribution/distribution.ini /usr/lib/firefox/distribution/searchplugins /usr/lib/firefox/distribution/searchplugins/common /usr/lib/firefox/distribution/searchplugins/locale /usr/lib/firefox/distribution/searchplugins/locale/en-US /usr/lib/firefox/distribution/searchplugins/locale/en-US/amazondotcom.xml /usr/lib/firefox/distribution/searchplugins/locale/en-US/ddg.xml /usr/lib/firefox/distribution/searchplugins/locale/en-US/google.xml /usr/lib/firefox/firefox /usr/lib/firefox/firefox.sh /usr/lib/firefox/fonts /usr/lib/firefox/fonts/TwemojiMozilla.ttf /usr/lib/firefox/gmp-clearkey /usr/lib/firefox/gmp-clearkey/0.1 /usr/lib/firefox/gmp-clearkey/0.1/libclearkey.so /usr/lib/firefox/gmp-clearkey/0.1/manifest.json /usr/lib/firefox/gtk2 /usr/lib/firefox/gtk2/libmozgtk.so /usr/lib/firefox/libfreeblpriv3.chk /usr/lib/firefox/libfreeblpriv3.so /usr/lib/firefox/liblgpllibs.so /usr/lib/firefox/libmozavcodec.so /usr/lib/firefox/libmozavutil.so /usr/lib/firefox/libmozgtk.so /usr/lib/firefox/libmozsandbox.so /usr/lib/firefox/libmozsqlite3.so /usr/lib/firefox/libmozwayland.so /usr/lib/firefox/libnspr4.so /usr/lib/firefox/libnss3.so /usr/lib/firefox/libnssckbi.so /usr/lib/firefox/libnssutil3.so /usr/lib/firefox/libplc4.so /usr/lib/firefox/libplds4.so /usr/lib/firefox/libsmime3.so /usr/lib/firefox/libsoftokn3.chk /usr/lib/firefox/libsoftokn3.so /usr/lib/firefox/libssl3.so /usr/lib/firefox/libxul.so /usr/lib/firefox/minidump-analyzer /usr/lib/firefox/omni.ja /usr/lib/firefox/platform.ini /usr/lib/firefox/plugin-container /usr/lib/firefox-addons /usr/lib/firefox-addons/distribution /usr/lib/firefox-addons/distribution/extensions /usr/lib/firefox-addons/extensions /usr/lib/firefox-addons/plugins /usr/lib/firefox-addons/searchplugins /usr/share /usr/share/applications /usr/share/applications/firefox.desktop /usr/share/apport /usr/share/apport/package-hooks /usr/share/apport/package-hooks/source_firefox.py /usr/share/doc /usr/share/doc/firefox /usr/share/doc/firefox/MPL-1.1.gz /usr/share/doc/firefox/MPL-2.0.gz /usr/share/doc/firefox/README.Debian /usr/share/doc/firefox/changelog.Debian.gz /usr/share/doc/firefox/copyright /usr/share/icons /usr/share/icons/hicolor /usr/share/icons/hicolor/128x128 /usr/share/icons/hicolor/128x128/apps /usr/share/icons/hicolor/16x16 /usr/share/icons/hicolor/16x16/apps /usr/share/icons/hicolor/32x32 /usr/share/icons/hicolor/32x32/apps /usr/share/icons/hicolor/48x48 /usr/share/icons/hicolor/48x48/apps /usr/share/icons/hicolor/64x64 /usr/share/icons/hicolor/64x64/apps /usr/share/icons/hicolor/symbolic /usr/share/icons/hicolor/symbolic/apps /usr/share/icons/hicolor/symbolic/apps/firefox-symbolic.svg /usr/share/lintian /usr/share/lintian/overrides /usr/share/lintian/overrides/firefox /usr/share/man /usr/share/man/man1 /usr/share/man/man1/firefox.1.gz /usr/bin/firefox /usr/lib/firefox/browser/defaults/preferences/syspref.js /usr/lib/firefox/browser/extensions /usr/lib/firefox/browser/plugins /usr/lib/firefox/browser/searchplugins /usr/lib/firefox/distribution/extensions /usr/share/icons/hicolor/128x128/apps/firefox.png /usr/share/icons/hicolor/16x16/apps/firefox.png /usr/share/icons/hicolor/32x32/apps/firefox.png /usr/share/icons/hicolor/48x48/apps/firefox.png /usr/share/icons/hicolor/64x64/apps/firefox.png