Thursday, May 20, 2010

Linux: print OS version and information

The uname command prints certain system information. With the -a option, it prints all information about the Linux OS.

   $ uname -a

The version number in the print-out is the kernel release.

A Linux distribution usually has it own release versions. For example, the Ubuntu distribution may have a release version of 8.04. To see the version of a distribution, run command --

   $ lsb_release -a

or just view the file /etc/lsb-release.

There is an interesting directory named /proc. It reveals some system information. Just use the cat command to print them, such as:

   $ cat /proc/cpuinfo
   $ cat /proc/meminfo
   $ cat /proc/version

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