View Linux Version Methods rpmCentOSLinuxrelease # lsb_release-aLSB Version: core-4.0-amd64: core-4.0-ia32: core-4.0-noarch: graphics-4.0-amd64: graphics-4.0-ia32: graphics-4.0-noarch: printing-4.0-amd64: printing-4.0-ia32: printing-4.0-noarchDistributor: ID: CentOSDescription: CentOS release 5.8 (Final) release: 5.8 Codename: Final # lsb_release -- helpFSG lsb_release v2.0 prints certain LSB (Linux Standard Base) and Distribution information. usage: lsb_release [OPTION]... with no OPTION specified defaults to-v. options:-v, -- version Display the version of the LSB specification against which the distribution is compliant. -I, -- id Display the string id of the distributor. -d, -- description Display the single line text description of the distribution. -r, -- release Display the release number of the distribution. -c, -- codename Display the codename according to the distribution release. -a, -- all Display all of the above information. -s, -- short Use short output format for information requested by other options (or version if none ). -h, -- help Display this message. # uname -- helpUsage: uname [OPTION]... print certain system information. with no OPTION, same as-s. -a, -- all print all information, in the following order, couldn't omit-p and-I if unknown-s, -- kernel-name print the kernel name-n, -- nodename print the network node hostname-r, -- kernel-release print the kernel release-v, -- kernel-version print the kernel version-m, -- machine print the machine hardware name-p, -- processor print the processor type or "unknown"-I, -- hardware-platform print the hardware platform or "unknown"-o, -- operating-system print the operating system -- help display this help and exit -- version output version information and exit Report bugs to <bug-coreutils@gnu.org>. # cat/etc/redhat-releaseCentOS release 5.8 (Final) # rpm-q redhat-release # rpm-q centos-releaseCentOS release 5.8 (Final)