<> = Firefox = Mozilla Firefox is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android, by the Mozilla Foundation. == Build from source == * https://firefox-source-docs.mozilla.org/setup/linux_build.html == Activate built-in PDF viewer == Write '''about:config''' on the browser URL textbox, click on '''"I'll be careful, I promise"'''. Look for the property '''browser.preferences.inContent''' and set it as true. Look for the property '''pdfjs.disabled''' and set it as false. Click on the '''Edit menu''', '''Preferences''', '''Applications''', '''Portable Document Format''' and set it as '''Preview in Firefox'''. Restart Firefox == Firefox ESR (Extended Support Release) in Slackware64 14 == {{{#!highlight sh cd /opt wget http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/latest-esr/linux-x86_64/en-US/firefox-31.3.0esr.tar.bz2 tar xvif firefox-31.3.0esr.tar.bz2 mv firefox/ firefox-31.3.0esr ln -s firefox-31.3.0esr firefox }}} == Install firefox 52.0.2 (patch) for slackware 14.2 == {{{#!highlight sh wget https://slackbuilds.org/mirror/slackware/slackware-14.2/patches/packages/mozilla-firefox-52.0.2esr-i586-1_slack14.2.txz upgradepkg mozilla-firefox-52.0.2esr-i586-1_slack14.2.txz }}} == Clear cache Firefox 128.7.0esr == * ctrl + shift + del