sudo apt-get purge emacs-snapshot-nox-dev emacsen emacs-snapshot-nox emacs-snapshot-nonx emacs-calfw-howm emacs-snapshot-common emacs24-lucid emacspeak-espeak-server emacs-snapshot-el emacs25-dbg emacspeak emacs-snapshot emacs25-lucid emacs-goodies-el emacs22-common emacs25-nox emacs25-nox-dbg emacs-jabber emacs24-common-non-dfsg emacs23-nox emacs25-bin-common emacs25-common emacs-intl-fonts emacs-mozc emacspeak-bs-tcl emacsen-common emacs-nox emacs25-common-non-dfsg emacs emacs25-el emacs-window-layout emacs-snapshot-dev emacs-mozc-binemacs-chess emacs23-lucid emacs-snapshot-gtk emacs25-lucid-dbg emacs24-nox emacs24-bin-common emacs-goodies-extra-el emacspeak-dt-tcl emacs20 emacs21 emacs22 emacs23 emacs24 emacs25 emacs26 emacs-calfw emacspeak-dt emacspeak-ss