query: purge all packages manually installed via apt-get from the moment you installed the Ubuntu OS
positive_passages.docid: 20819
positive_passages.text: Generating list of manually installed packages and querying individual packages
negative_passages.docid: 99928
negative_passages.text: How to remove all i386 packages from Ubuntu 64bit?
negative_passages.docid: 24090
negative_passages.text: How can you completely remove a package?
negative_passages.docid: 121895
negative_passages.text: Using apt-get to remove packages and dependencies
negative_passages.docid: 138747
negative_passages.text: How to list installed packages in apt that are not backed by a repository?
negative_passages.docid: 35508
negative_passages.text: How to find program name(s) of an installed package?
negative_passages.docid: 53498
negative_passages.text: How do I find packages to install via apt-get
negative_passages.docid: 36938
negative_passages.text: How to remove an uninstalled package's dependencies?
negative_passages.docid: 4623
negative_passages.text: How do I get a list of installed files from a package?
negative_passages.docid: 67439
negative_passages.text: why `dpkg -l | grep package` is showing a package after being purged
negative_passages.docid: 46618
negative_passages.text: How can I know what programs some apt-get package contains?
negative_passages.docid: 86185
negative_passages.text: How to install a list of packages using apt-get?
negative_passages.docid: 73749
negative_passages.text: How to find manually installed packages?
negative_passages.docid: 67802
negative_passages.text: How to get a list of files for a package I haven't installed yet?
negative_passages.docid: 2214
negative_passages.text: How to list all packages installed as dependencies in Terminal, and what installed them?
negative_passages.docid: 39582
negative_passages.text: Difference between "ppa-purge" and "add-apt-repository -r"?
negative_passages.docid: 132021
negative_passages.text: How do I find the files installed by a particular package? Where is the .deb file to look at?