thank you
but not work
sudo apt-get remove kde
===========
Reading package lists... Done
Building dependency tree
Reading state information... Done
Virtual packages like 'kde' can't be removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
===========
sudo apt-get remove ubuntu-desktop
==============
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package ubuntu-desktop is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
=============
sudo apt-get remove kubuntu-desktop
=========================
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package kubuntu-desktop is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
=========================
