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If I install a different desktop environment on ubuntu, will it delete files or programs installed earlier?

Could I use those programs installed with ubuntu if I replace the environment with xfce?

Braiam
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user174792
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  • Installing a DE will not affect installed programs. Take a look at my answer Here, it might help you with the installation. – Mitch Jul 13 '13 at 09:02
  • Agree. xfce4 just installs XFCE, while xubuntu-desktop installs xfce4 and might install new programs (those who do not belong to ubuntu-desktop). – ignis Jul 13 '13 at 10:23

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Changing Desktop Environments is like changing clothes, yourself will be the same. There's almost 0 risk of data loss (you always should do backups) and almost no glitches (Unity and Gnome 3 don't play well together). There's no risk of something bad happening whatsoever.

Braiam
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  • Does changing DE change drivers installed? Any connection of drivers and DE? My Laptop is new but RAM is just 4GB. Nvidia and Realteck are there. Also, sleep-wakeup problem comes easily. Ubuntu 16 works fine but slow. – Satya Prakash Sep 26 '17 at 03:28
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    @SatyaPrakash no. DE is way too low in the stack to even affect kernel modules. Report a bug instead. – Braiam Sep 26 '17 at 10:47