我使用 KDE 安装了它kde-full- 到目前为止一切顺利。但是当我尝试卸载一些对我来说不太必要的应用程序（如 Marble 或 Kalgebra）时，apt-get remove 会向我显示
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
knetwalk kpat kalzium-data kdepim kolf xscreensaver-gl
plasma-desktopthemes-artwork ksystemlog libsdl-ttf2.0-0 krdc krfb kdesdk
kscd kppp libopenbabel4 libanalitzagui4abi1 kshisen kdeartwork-style
kmahjongg kopete-message-indicator kcharselect kanagram kde-baseapps
libksane0 cervisia kdeartwork-theme-window knode kblocks katomic kruler
plasma-containments-addons svgpart ktux kdegraphics-thumbnailers klettres
kajongg kgoldrunner libknewstuff2-4 kgeography pkg-kde-tools xplanet
ksnapshot plasma-wallpapers-addons translate-toolkit libkexiv2-data
libcfitsio3 libkipi8 libkipi-data kaccessible kblackbox libotr2 bomber
kiriki libgrantlee-gui0 kde-standard libsdl-mixer1.2 libglew1.5 kstars
ttf-dustin kbruch gwenview advancecomp libmarblewidget13 python-levenshtein
printer-applet kfilereplace libkggznet4 umbrello kcalc kdeplasma-addons
libavogadro1 libkggzmod4 parley konsolekalendar kontact kimagemapeditor
libportmidi0 kmplot kdiamond kalzium libindi-data ksirk ksquares klinkstatus
klickety libkcddb4 libkateinterfaces4 libgadu3 kalarm blogilo kdewebdev
kwrite libkeduvocdocument4 plasma-dataengines-addons libkdcraw-data kdegames
amor marble-plugins kdeaccessibility rocs libboost-graph1.46.1
libnova-0.12-2 ktouch kbreakout kbounce kfourinline libkdegames5a kdetoys
python-avogadro ktimetracker akregator avogadro-data kollision
kdegraphics-strigi-analyzer python-enchant python-qt4 kamera sweeper
lokalize kwordquiz kde-plasma-desktop libanalitza4abi1 ktron bovo python-sip
cvs kdenetwork libkggzgames4 libmikmod2 step python-vobject palapeli-data
krosspython kuser dragonplayer kcolorchooser kreversi kdf python-qt4-sql
plasma-widget-folderview kdegraphics-mobipocket kspaceduel libkrossui4 kig
rdesktop ksudoku juk tasks-icons klines kstars-data libao4 lskat
plasma-widgets-addons kgamma kde-config-cddb kommander libkopete4
kdegames-card-data kubrick kgeography-data ksaneplugin kdeutils kjumpingcube
kdegraphics khangman plasma-scriptengine-superkaramba libkexiv2-10
libqtassistantclient4 kscreensaver marble kolourpaint4 libindi0 killbots
kapman plasma-widget-lancelot fonts-dustin kde-plasma-netbook
plasma-runners-addons vorbis-tools poxml parley-data libkmahjongglib4
kpartloader kdesdk-kio-plugins cvsservice libksane-data kbattleship kdeadmin
kdesdk-scripts kdegames-mahjongg-data kdemultimedia-kio-plugins filelight
xplanet-images libkdcraw20 kopete kde-config-cron kdesdk-misc palapeli kate
kapptemplate ktouch-data kdewallpapers kscreensaver-xsavers
kdesdk-strigi-plugins marble-data kjots klettres-data kdeartwork-emoticons
libktorrent3 kmines python-iniparse kget kalgebra-common
system-config-printer-kde kremotecontrol kdenetwork-filesharing kgpg
libboost-regex1.46.1 konquest kigo kdemultimedia kmousetool
kdepim-strigi-plugins optipng libmsn0.3 libkdeedu-data kuiviewer kmag gnugo
kdeedu-kvtml-data ktuberling kturtle ktimer python-kde4 kteatime kmix
kdeartwork kmtrace plasma-widget-message-indicator libsmpeg0
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
kalgebra kde-full kdeedu
0 upgraded, 0 newly installed, 3 to remove and 18 not upgraded.
After this operation, 497 kB disk space will be freed.
Do you want to continue [Y/n]?
现在这也会卸载一些 kde 所需的软件包。如何防止这种情况并真正只卸载我想要卸载的软件包？我不相信所有这些软件包都是因为 kalgenra 才存在的。