How do I find the kernel version, Ubuntu release and disk partition information from the terminal?

Question

I want to know which commands will give me information about (1) Kernel Version (2) Distribution version no (3) All partition size of HDD in Terminal (via command line?

Answer 1

uname -a for kernel version.

lsb_release -afor ubuntu version

sudo fdisk -l for partition info.

Answer 2

Kernel Version

cat /proc/version             # detail about for the kernel image version

Distribution Version

lsb_release -a

Partition Sizes

cat /proc/partitions          # for basic sizes
sudo fdisk -l /dev/<device>   # eg /dev/sda

Answer 3

Open terminal. Just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command below.

sudo fdisk -l; uname -a; lsb_release -a