----------lsb_release -a----------
Distributor ID:	PearOS
Description:	Pear OS 7 64 bits
Release:	7.0
Codename:	Corella
----------/etc/lsb-release----------
DISTRIB_ID="PearOS"
DISTRIB_RELEASE="7.0"
DISTRIB_CODENAME="Corella"
DISTRIB_DESCRIPTION="Pear OS 7 64 bits"

----------/etc/os-release----------
NAME="Ubuntu"
VERSION="12.10, Quantal Quetzal"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu quantal (12.10)"
VERSION_ID="12.10"
----------/etc/debian_version----------
wheezy/sid