i did sudo add-apt-repository ppa:bugs-launchpad-net-falkensweb/remove-old-kernels && sudo apt-get update && sudo apt-get install remove-old-kernels
how to execute it now?
i did sudo add-apt-repository ppa:bugs- launchpad- net-falkensweb/ remove- old-kernels && sudo apt-get update && sudo apt-get install remove-old-kernels
how to execute it now?