I am trying to find an OS that I can boot from my USB stick without further installation. I tried Tinycore but sadly I just couldnt save the Package "Coreutils" on it, so I had to reinstall it everytime I reboot the system. It is important that I can use the "shred" command. Because the USBsticks only purpose will be to shred old PCs. Also I dont want to connect the PCs to network. Pretty much just boot from the usb and type the command. I prefer Command line only, because a GUI is just not necessary. Thank you.