These latter features may be used to override decisions made by apt-get's conflict resolution system. Similarly a plus sign can be used to designate a package to install. If a hyphen is appended to the package name (with no intervening space), the identified package will be removed if it is installed. The /etc/apt/sources.list file is used to locate the desired packages. All packages required by the package(s) specified for installation will also be retrieved and installed. install an old version of Firefox (like v68.11.0 from or ) first you have to remove your current Firefox app. Each package is a package name, not a fully qualified filename. APT simplifies the process of managing software on Unix-like computer systems by automating the retrieval, configuration and installation of software packages, either from precompiled files or by compiling source code.Īpt-get is the command-line tool for handling packages, and may be considered the user's 'back-end' to other tools using the APT library.Īpt-get install is followed by one or more packages desired for installation or upgrading. More information about install using apt-getĪdvanced Package Tool, or APT, is a free software user interface that works with core libraries to handle the installation and removal of software on Debian, Ubuntu and other Linux distributions. all images or JavaScript files from specific servers or directories. Filters can be specified using wildcards in order to block e.g. AdBlock for Firefox is an ad blocking add-on (or browser extension), which means it blocks Firefox ads and prevents advertisers from tracking you across the web. The AdBlock extension adds to Iceweasel and Iceape browsers an ability to filter unwanted objects on webpages. AdBlock extension for the Iceweasel and Iceape web browsers

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