root@hephaestion:/# apt-cache search -n linux-image
linux-image-4.4.0-21-generic - Linux kernel image for version 4.4.0 on 64 bit x86 SMP
linux-image-4.4.0-21-lowlatency - Linux kernel image for version 4.4.0 on 64 bit x86 SMP
linux-image-extra-4.4.0-21-generic - Linux kernel extra modules for version 4.4.0 on 64 bit x86 SMP
linux-image-extra-virtual - Transitional package.
linux-image-extra-virtual-lts-utopic - Transitional package. (dummy transitional package)
linux-image-extra-virtual-lts-vivid - Transitional package. (dummy transitional package)
linux-image-extra-virtual-lts-wily - Transitional package. (dummy transitional package)
linux-image-extra-virtual-lts-xenial - Transitional package. (dummy transitional package)
linux-image-generic - Generic Linux kernel image
linux-image-generic-lts-utopic - Generic Linux kernel image (dummy transitional package)
linux-image-generic-lts-vivid - Generic Linux kernel image (dummy transitional package)
linux-image-generic-lts-wily - Generic Linux kernel image (dummy transitional package)
linux-image-generic-lts-xenial - Generic Linux kernel image (dummy transitional package)
linux-image-hwe-generic-trusty - Depends on the generic hardware enablement kernel image (dummy transitional package)
linux-image-hwe-virtual-trusty - Depends on the virtual hardware enablement kernel image (dummy transitional package)
linux-image-lowlatency - lowlatency Linux kernel image
linux-image-lowlatency-lts-utopic - lowlatency Linux kernel image (dummy transitional package)
linux-image-lowlatency-lts-vivid - lowlatency Linux kernel image (dummy transitional package)
linux-image-lowlatency-lts-wily - lowlatency Linux kernel image (dummy transitional package)
linux-image-lowlatency-lts-xenial - lowlatency Linux kernel image (dummy transitional package)
linux-image-virtual - This package will always depend on the latest minimal generic kernel image.
linux-image-virtual-lts-utopic - This package will always depend on the latest minimal generic kernel image. (dummy transitional package)
linux-image-virtual-lts-vivid - This package will always depend on the latest minimal generic kernel image. (dummy transitional package)
linux-image-virtual-lts-wily - This package will always depend on the latest minimal generic kernel image. (dummy transitional package)
linux-image-virtual-lts-xenial - This package will always depend on the latest minimal generic kernel image. (dummy transitional package)
root@hephaestion:/# cat /etc/issue
Ubuntu 16.04 LTS \n \l