关于apt-get autoremove【被坑爹了】
话说autoremove到底是干啥的？
卸载libreoffice可不可以使用：
sudo apt-get autoremove libre*
为什么我使用之后系统里面所有可以卸载的软件都被卸载了？
卸载列表：

The following packages will be REMOVED:

  activity-log-manager-common activity-log-manager-control-center adium-theme-ubuntu aisleriot alacarte alien app-install-data apparmor

  apport apport-gtk apport-symptoms apt apt-transport-https apt-xapian-index aptdaemon apturl apturl-common bc bluez bluez-alsa bluez-cups

  bluez-gstreamer brasero brasero-cdrkit checkbox checkbox-qt chromium-browser chromium-browser-l10n chromium-codecs-ffmpeg cmake cmake-data

  comerr-dev command-not-found command-not-found-data compiz compiz-gnome compiz-plugins-main-default compizconfig-backend-gconf cups

  deja-dup devhelp devhelp-common dia dia-common dia-libs duplicity eog evince evolution-data-server foomatic-db-compressed-ppds ftp

  gcj-4.6-jre-lib gconf-service gconf-service-backend gconf2 gdb gedit gedit-common geoclue geoclue-ubuntu-geoip gir1.2-appindicator3-0.1

  gir1.2-atspi-2.0 gir1.2-dbusmenu-gtk-0.4 gir1.2-gconf-2.0 gir1.2-gnomekeyring-1.0 gir1.2-gtk-2.0 gir1.2-gtksource-3.0 gir1.2-gudev-1.0

  gir1.2-launchpad-integration-3.0 gir1.2-mutter-3.0 gir1.2-panelapplet-4.0 gir1.2-peas-1.0 gir1.2-rb-3.0 gir1.2-totem-1.0

  gir1.2-totem-plparser-1.0 gir1.2-ubuntuoneui-3.0 gir1.2-wnck-3.0 git git-man gksu glade-gtk2 gnome-applets gnome-applets-data

  gnome-bluetooth gnome-contacts gnome-control-center gnome-games-data gnome-icon-theme gnome-icon-theme-full gnome-icon-theme-symbolic

  gnome-media gnome-menus gnome-online-accounts gnome-orca gnome-panel gnome-panel-data gnome-power-manager gnome-screensaver gnome-session

  gnome-session-bin gnome-session-fallback gnome-settings-daemon gnome-shell gnome-sudoku gnome-system-monitor gnome-terminal

  gnome-terminal-data gnome-themes-standard gnome-user-share gnomine gnupg gpgv gstreamer0.10-gconf gstreamer0.10-plugins-bad

  gstreamer0.10-plugins-good gtk2-engines-murrine gtk3-engines-unico guile-1.8-libs gvfs-backends hplip hplip-data humanity-icon-theme ibus

  ibus-gtk ibus-gtk3 ibus-pinyin ibus-pinyin-db-android ibus-table indicator-applet-complete indicator-datetime indicator-power

  indicator-printers indicator-session intel-gpu-tools jockey-common jockey-gtk katepart kchmviewer kde-runtime kdebase-runtime kdelibs-bin

  kdelibs5-plugins kdoctools kerneloops-daemon kiki krb5-multidev ksnapshot kubuntu-debug-installer landscape-client-ui-install

  language-selector-common language-selector-gnome launchpad-integration libappindicator1 libasn1-8-heimdal libatk1.0-dev libavc1394-0

  libbonoboui2-0 libbrasero-media3-1 libcairo-script-interpreter2 libcairo2-dev libcamel-1.2-29 libcanberra-gtk-module

  libcanberra-gtk3-module libchm1 libcompizconfig0 libcrypt-passwdmd5-perl libcurl3 libcurl3-gnutls libcurl3-nss libcurl4-openssl-dev<