How do you find the Ubuntu version (release number / name) from the command line?
$ uname -a
Linux debian 2.7.30-1-686 #1 SMP Thu May 8 02:16:39 UTC 2008 i686 GNU/Linux
uname -a anaylsis:
Linux: is the kernel name.
debian: is the machine's hostname.
2.7.30-1-686: is the kernel version
1 SMP Thu May 8 02:16:39 UTC 2008: SMP stands for symmetric multiprocessing, denoting that the CPU (central processing unit) is using two or more CPUs and the current system date
i686: is the CPU architecture
GNU/Linux: is OS