May I after having installed Linux 16.04 mate delete a partition using a live CD utility not too perfect booting my installed version of 16.04 mate?

[wolfman]

HI @raritz121,

as long as you are sure that your boot-loader is on /sda9 and not on /sda6, you should be able to delete it (/sda6) no problem!.

If you have problems with the boot-loader afterwards, you the Ubuntu Mate live Cd and see "Dual Booters" in Welcome!:

See also:

GParted partition guide for Linux and Windows users

PLEASE NOTE: THIS GUIDE DOES NOT DEPICT THE INSTALLATION (CREATION) OF A UEFI PARTITION. IF YOU HAVE A COMPUTER WITH UEFI/BIOS, MAKE SURE YOU ALSO CREATE A UEFI/BIOS PARTITION AS WELL. SEE FURTHER REMARKS ABOUT UEFI PARTITIONS IN THE GUIDE!. Linux beginners should also look here: You can only partition on an unmounted drive using an installation disk of your Linux flavour with a partitioning tool included, use the Gparted tool in live mode, or you can download a copy of Gparted from the link…