Welcome to Nix version 1.10. Type :? for help.

nix-repl> :l <nixpkgs>
Added 7231 variables.

nix-repl> q
Display all 105 possibilities? (y or n)
qalculate-gtk                  qmmp                           qt56                           quasselClient
qarte                          qnial                          qt5Full                        quasselDaemon
qastools                       qnotero                        qt5ct                          quattrocento
qbittorrent                    qoauth                         qtEnv                          quattrocento-sans
qboot                          qpdf                           qt_gstreamer                   quazip_qt4
qca-qt5                        qpdfview                       qt_gstreamer1                  qucs
qca2                           qpid-cpp                       qtbitcointrader                quesoglc
qca2-qt5                       qprint                         qtcreator                      quickder
qdigidoc                       qqwing                         qtikz                          quicksynergy
qemu                           qrcode                         qtile                          quicktun
qemu_kvm                       qrencode                       qtkeychain                     quilt
qemu_test                      qrupdate                       qtox                           quirc
qesteidutil                    qsampler                       qtpass                         quiterss
qfsm                           qscintilla                     qtpfsgui                       quodlibet
qgifer                         qscreenshot                    qtractor                       quodlibet-without-gst-plugins
qgis                           qshowdiff                      qtscriptgenerator              qutebrowser
qgroundcontrol                 qsyncthingtray                 qtscrobbler                    quvi
qhull                          qsynth                         quagga                         quvi_scripts
qimageblitz                    qt-gstreamer                   quake3demo                     qvim
qiv                            qt-gstreamer1                  quake3demodata                 qweechat
qjackctl                       qt-mobility                    quake3game                     qwt
qjoypad                        qt-recordmydesktop             quake3pointrelease             qwt6
qjson                          qt3                            quake3wrapper                  qwt6_qt4
qmake48Hook                    qt4                            quantumminigolf                qxt
qmake4Hook                     qt48                           quartz-wm
qmidinet                       qt48Full                       quassel
qmidiroute                     qt5                            quassel-webserver
nix-repl> q