Ventoy
https://www.ventoy.net/en/index.html
Ventoy is an open source tool to create bootable USB drive for ISO/WIM/IMG/VHD(x)/EFI files.
With ventoy, you don't need to format the disk over and over, you just need to copy the ISO/WIM/IMG/VHD(x)/EFI files to the USB drive and boot them directly.
Remove Old Kernels in Ubuntu 11.10 (Oneiric ocelot) | Liberian Geek
http://www.liberiangeek.net/2011/11/remove-old-kernels-in-ubuntu-11-10-oneiric-ocelot/
When you’re running Ubuntu and updating your system frequently, there is a high chance that older kernels that are no longer needed are still installed on your system. Over time, if these older kernels are not removed, precious hard disk space may be wasted and your system’s performance may suffer.
Remove Old Kernels in Ubuntu 11.10 (Oneiric ocelot) | Liberian Geek
http://www.liberiangeek.net/2011/11/remove-old-kernels-in-ubuntu-11-10-oneiric-ocelot
When you’re running Ubuntu and updating your system frequently, there is a high chance that older kernels that are no longer needed are still installed on your system. Over time, if these older kernels are not removed, precious hard disk space may be wasted and your system’s performance may suffer.
Welcome to Stardust & Alchemy
http://www.stardust-and-alchemy.com/portfolio/fgdmboots/endlessdocs.html
"These are a collection of Dr. Martens boots designed as if each character from Neil Gaiman's Sandman series would have worn them." Me want.