There are two ways to check your Ubuntu version -
- Through System settings
- Command Line(Terminal)
Using System settings
You can check Ubuntu version by going to -
System settings -> System ->Details
You can see below screen -
From here you can change default applications, view removable media etc.
Using Command Line(Terminal)
Just open your terminal and type in command -
You can see output as follows
Checking Unity version
Checking unity version is again fairly simple. Just open the terminal and type in the command
unity --version .
You will then see output as follows -