Which of the following commands will install a new version of the Linux kernel?

To install a new version of the Linux kernel, you would typically use the following steps:

1. Update your repository list. This can be done with the following command:

sudo apt-get update

2. Upgrade your system. This can be done with the following command:

sudo apt-get upgrade

3. Install the new kernel. This can be done with the following command:

sudo apt-get install linux-generic

4. Reboot your system to apply the changes. This can be done with the following command:

sudo reboot

Please note that these commands are for Ubuntu and other Debian-based distributions. The commands might be different if you are using a different Linux distribution. Also, it's important to backup your data before upgrading the kernel as it can potentially lead to system instability.