apt-get
mostrará isso por padrão.
exemplo:
sudo apt-get install kde-full
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
akonadi-server akregator amor ark aurorae-themes-artwork avogadro-data blogilo bomber bovo cantor cantor-backend-kalgebra
cervisia cvs cvsservice dolphin dragonplayer gnugo gnupg-agent gnupg2 granatier graphviz gwenview jovie juk kaddressbook
kajongg kalarm kalgebra kalzium kalzium-data kamera kanagram kapman kapptemplate katomic kbattleship kblackbox kblocks
kbounce kbreakout kbruch kbugbuster kcachegrind kcalc kcharselect kcolorchooser kde-config-cddb kde-config-cron
[ Output truncated ]
python-avogadro python-dateutil python-enchant python-iniparse python-kde4 python-levenshtein python-lxml python-pyasn1
python-qt4-dbus python-qt4-sql python-twisted python-twisted-conch python-twisted-lore python-twisted-mail
python-twisted-news python-twisted-runner python-twisted-words python-utidylib python-vobject rocs setserial step
subversion sweeper system-config-printer-kde systemsettings translate-toolkit ttf-dustin umbrello valgrind xplanet
xplanet-images
0 upgraded, 349 newly installed, 0 to remove and 0 not upgraded.
Need to get 376MB of archives.
After this operation, 815MB of additional disk space will be used.
Do you want to continue [Y/n]
Na parte inferior, você pode ver que o tamanho total para buscar da internet é de 376MB e, após a instalação, ele usará 815MB de espaço em disco.
Se você está bem com este tipo 'Y' para continuar a instalação ou digite 'n' para cancelar a instalação.