kelevra@lab:~$ sudo aptitude purge `dpkg --get-selections | grep deinstall | awk '{print $1}'`
Reading package lists... Done
Building dependency tree 
Reading state information... Done
Initializing package states... Done
Writing extended state information... Done
Reading task descriptions... Done 
The following packages will be REMOVED:
 a2ps{p} console-tools{p} desktop-base{p} fam{p} fortune-mod{p} libdatrie0{p} libfam0{p} libfs6{p} libvte9{p} 
 libxfce4mcs-client3{p} libxfce4mcs-manager3{p} lpr{p} x11-apps{p} x11-session-utils{p} xfonts-100dpi{p} xfonts-75dpi{p} 
 xfonts-scalable{p} xinit{p} xli{p} 
0 packages upgraded, 0 newly installed, 19 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.
Do you want to continue? [Y/n/?