You probably know that modern Linux distributions have many things in common. Well, one of the reasons for this is LSB – Linux Standard Base. LSB is a joint project by a number of Linux vendors to standardize the OS environment.
From Linux Standard Base article on Wikipedia:
The goal of the LSB is to develop and promote a set of standards that will increase compatibility among Linux distributions and enable software applications to run on any compliant system. In addition, the LSB will help coordinate efforts to recruit software vendors to port and write products for Linux.
One of the immediate benefits of LSB compliancy is ability to confirm the exact information about your Linux release using the lsb_release command. By exact information I mean the release version, vendor name and most interestingly the codename of your current Linux release.
Red Hat Enterprise Linux LSB information
Here's how a Red Hat Enterprise Linux 4 update 4 description will look:
bash-3.00$ lsb_release -a LSB Version: :core-3.0-amd64:core-3.0-ia32:core-3.0-noarch:graphics-3.0-amd64:graphics-3.0-ia32:graphics-3.0-noarch Distributor ID: RedHatEnterpriseWS Description: Red Hat Enterprise Linux WS release 4 (Nahant Update 4) Release: 4 Codename: NahantUpdate4
And here is RHEL5 LSB information:
bash-3.1$ lsb_release -a LSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch Distributor ID: RedHatEnterpriseClient Description: Red Hat Enterprise Linux Client release 5 (Tikanga) Release: 5 Codename: Tikanga
SUSE Linux Enterprise Desktop (SLED10) LSB
For SUSE Linux Enterprise Desktop, LSB release information will look like this:
sled10~> lsb_release -a LSB Version: core-2.0-noarch:core-3.0-noarch:core-2.0-x86_64:core-3.0-x86_64:desktop-3.1-amd64:desktop-3.1-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch Distributor ID: SUSE LINUX Description: SUSE Linux Enterprise Desktop 10 (x86_64) Release: 10 Codename: n/a
Ubuntu LSB release information
In Ubuntu, I find the lsb_release information to be most informational – it's concise but tells you everything you need:
ubuntu$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 7.04 Release: 7.04 Codename: feisty
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