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lang-bash
rpm -qa "lsb*prints nothing. According toyum provides */lsb_releaseit is contained in a package called redhat-lsb which I guess is not installed by default. However, I'm not a Fedora expert, these are just the results from a random Fedora VM I have and could be very wrong.lsb-release, as you said.lsb_releaseseems to work great on Ubuntu 10.04 LTS, however in Fedora and CentOS I get a "command not found" error message. Also,/etc/lsb-releasedoesn't seem to exists in RHEL distros. On Fedora 13 for instance I havefedora-release,redhat-releaseandsystem-release.$OS,$VERSION, etc -- by convention, we capitalize environment variables (PAGER, EDITOR, SHELL, ...) and internal shell variables (BASH_VERSION, RANDOM, ...). All other variable names should contain at least one lowercase letter. This convention avoids accidentally overriding environmental and internal variables.